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ECC Unbuffered RAM Memory

We stock a range of ECC Unbuffered RAM Memory in all capacities from some of the worlds leading brands including Crucial, Elpida, Kingston, Micron, Samsung and SK Hynix. This particular RAM variant is available in speeds ranging from 1333MHz (PC3-10600), 1600MHz (PC3-12800), 1866MHz (PC3-14900), 2133MHz (PC4-17000), 2400MHz (PC4-19200), 2666MHz (PC4-21300) and 667MHz (PC2-5300).

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ECC Unbuffered RAM Memory

  • Total Capacity: 2GB DDR2 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR2 1.8v
  • Memory Speed: 667MHz (PC2-5300)
  • CAS Latency (CL): CL5
  • Memory Rank: 2R (Dual Rank)
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£24.99 (inc. VAT) £20.83 (ex. VAT)
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In stock for next day delivery
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  • Total Capacity: 8GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
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In stock for next day delivery
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  • Total Capacity: 1GB DDR2 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR2 1.8v
  • Memory Speed: 667MHz (PC2-5300)
  • CAS Latency (CL): CL5
  • Memory Rank:
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£24.99 (inc. VAT) £20.83 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
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In stock for next day delivery
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  • Total Capacity: 4GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£49.99 (inc. VAT) £41.66 (ex. VAT)
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On Back Order - Available to order
  • Total Capacity: 8GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£134.99 (inc. VAT) £112.49 (ex. VAT)
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Awaiting Stock - Contact Us For Availability
  • Total Capacity: 8GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 4GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£66.99 (inc. VAT) £55.83 (ex. VAT)
Buy Now
On Back Order - Available to order
  • Total Capacity: 8GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£77.99 (inc. VAT) £64.99 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
Read Review (1)
  • Total Capacity: 8GB DDR3 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3 1.5v
  • Memory Speed: 1600MHz (PC3-12800)
  • CAS Latency (CL): CL11
  • Memory Rank: 2R (Dual Rank)
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£80.99 (inc. VAT) £67.49 (ex. VAT)
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Read Reviews (2)
  • Total Capacity: 8GB DDR3L ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3L 1.35v
  • Memory Speed: 1600MHz (PC3-12800)
  • CAS Latency (CL): CL11
  • Memory Rank: 2R (Dual Rank)
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£80.99 (inc. VAT) £67.49 (ex. VAT)
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In stock for next day delivery
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  • Total Capacity: 4GB DDR3 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3 1.5v
  • Memory Speed: 1600MHz (PC3-12800)
  • CAS Latency (CL): CL11
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£32.99 (inc. VAT) £27.49 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR3 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3 1.5v
  • Memory Speed: 1866MHz (PC3-14900)
  • CAS Latency (CL): CL13
  • Memory Rank: 2R (Dual Rank)
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£69.99 (inc. VAT) £58.33 (ex. VAT)
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Awaiting Stock - Contact Us For Availability
  • Total Capacity: 8GB DDR3 VLP ECC Unbuffered VLP DIMM VLP
  • Module Type: DIMM VLP
  • Type/Error Check: ECC Unbuffered VLP
  • Memory Form Factor: DDR3 VLP 1.5v
  • Memory Speed: 1333MHz (PC3-10600)
  • CAS Latency (CL): CL9
  • Memory Rank:
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£99.99 (inc. VAT) £83.33 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR3L ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3L 1.35v
  • Memory Speed: 1333MHz (PC3-10600)
  • CAS Latency (CL): CL9
  • Memory Rank: 2R (Dual Rank)
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£80.99 (inc. VAT) £67.49 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 4GB DDR3L ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3L 1.35v
  • Memory Speed: 1600MHz (PC3-12800)
  • CAS Latency (CL): CL11
  • Memory Rank:
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£32.99 (inc. VAT) £27.49 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR3 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR3 1.5v
  • Memory Speed: 1333MHz (PC3-10600)
  • CAS Latency (CL): CL9
  • Memory Rank: 2R (Dual Rank)
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£68.99 (inc. VAT) £57.49 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£212.99 (inc. VAT) £177.49 (ex. VAT)
View Details
Discontinued - Contact Us For An Alternative Part
  • Total Capacity: 16GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR4 ECC Unbuffered SODIMM
  • Module Type: SODIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£72.99 (inc. VAT) £60.83 (ex. VAT)
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In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 4GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£53.99 (inc. VAT) £44.99 (ex. VAT)
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Available to order - Allow 7-10 days for delivery
  • Total Capacity: 16GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£132.99 (inc. VAT) £110.83 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 8GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£72.99 (inc. VAT) £60.83 (ex. VAT)
Buy Now
In stock for next day delivery
Want it despatched today? Order within 11hrs 5mins
  • Total Capacity: 16GB DDR4 ECC Unbuffered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Unbuffered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2133MHz (PC4-17000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£194.99 (inc. VAT) £162.49 (ex. VAT)
View Details
Discontinued - Contact Us For An Alternative Part

ECC Unbuffered RAM Memory upgrades are the quickest and most cost effective way to give your system a performance boost. We stock every capacity possible within the DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP or DDR4 range and these capacities include 1GB, 2GB, 4GB, 8GB and 16GB. ECC Unbuffered RAM Memory is available in ECC Registered, ECC Unbuffered or ECC Unbuffered VLP and we stock the full range!

Looking for memory with low latencies? We also offer memory with low CAS Latencies too including; CL11, CL13, CL15, CL17, CL19, CL5 or CL9.

Enjoy Free Fast Next Day Delivery from MemoryCow on DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP or DDR4 memory upgrades from some of the worlds leading brands such as Crucial, Elpida, Kingston, Micron, Samsung and SK Hynix. Click here to see our delivery options and costs.

We offer warranties on all our DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP or DDR4 RAM modules including Lifetime.

Not sure which RAM type is suitable for your device? Why not try our configurator to find a recommended DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP or DDR4 memory upgrade for your device. Click here to configure your perfect Memory/RAM upgrade today.

Still unsure on what DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP or DDR4 memory upgrade you require for your device? Contact us today for advice. Click here for our contact details.

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Our Customer Reviews
Absolutely fantastic customer service . The website is easy use and gave me the confidence that I was buying the right expandable memory card for my Sat Nav. I have also used Memory Cow to buy memory for my go pro with ease too . My purchases we sent out super quick with email notifications of when they were on the way to me . The price of my purchases was great too . Will continue to use for all future purchases . Thank you for a great service . 
ekomi customer feedback
on 2019-03-07
I ordered the sd card for a friend who doesn’t have the internet,so I was hoping everything would be ok I need not have worried it was simple to order,and it was very good quality, and I received it a day earlier than they said so I was very pleased and would recommended this company. 
ekomi customer feedback
on 2019-03-06
Service was excellent. Have ordered twice from this company and twice order has arrived early. Have already recommended to others. 
ekomi customer feedback
on 2019-03-05
Excellent service, good range of products, and item ordered arrived quickly and was as described. 
ekomi customer feedback
on 2019-03-04
Nice quick easy to deal with company. easy to find what you are looking for off the website. quick postage and good quality 
ekomi customer feedback
on 2019-03-03
I was very satisfied In my dealings with MEMORYCOW. The individual who took my order was very knowledgeable and very helpful. The order was received as promised. Couldn’t fault them in any way. 
ekomi customer feedback
on 2019-03-02
ekomi gold customer feedback

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