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Memory RAM

We stock a full range of Memory RAM in all capacities from some of the worlds leading brands including Crucial, Elpida, HyperX, Kingston, Micron, Samsung and SK Hynix. The major form factors of RAM includes DDR, DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP, DDR4 and DDR4 VLP. We stock memory to suit all the major devices such as Desktops, Laptops, Servers, NAS Drives etc.

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Memory RAM

  • 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): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£74.99 (inc. VAT) £62.49 (ex. VAT)
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  • 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): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£134.99 (inc. VAT) £112.49 (ex. VAT)
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  • 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): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£74.99 (inc. VAT) £62.49 (ex. VAT)
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  • Total Capacity: 16GB Kit (4GB x4) DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£129.99 (inc. VAT) £108.33 (ex. VAT)
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  • Total Capacity: 4GB DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 3200MHz (PC4-25600)
  • CAS Latency (CL): CL18
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£35.99 (inc. VAT) £29.99 (ex. VAT)
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  • 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): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£149.99 (inc. VAT) £124.99 (ex. VAT)
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  • Total Capacity: 8GB Kit (4GB x2) DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£69.99 (inc. VAT) £58.33 (ex. VAT)
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  • Total Capacity: 4GB DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£35.99 (inc. VAT) £29.99 (ex. VAT)
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  • 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): CL17
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£134.99 (inc. VAT) £112.49 (ex. VAT)
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  • 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): CL17
  • Memory Rank: 1R (Single Rank) x8
  • Brand: Kingston
  • Warranty: Lifetime
£74.99 (inc. VAT) £62.49 (ex. VAT)
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  • Total Capacity: 8GB Kit (4GB x2) DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 3200MHz (PC4-25600)
  • CAS Latency (CL): CL18
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£70.99 (inc. VAT) £59.16 (ex. VAT)
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  • Total Capacity: 4GB DDR4 Non-ECC SODIMM
  • Module Type: SODIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 1R (Single Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£21.99 (inc. VAT) £18.33 (ex. VAT)
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  • Total Capacity: 16GB DDR4 Non-ECC SODIMM
  • Module Type: SODIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£196.99 (inc. VAT) £164.16 (ex. VAT)
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  • Total Capacity: 8GB DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 1R (Single Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£49.99 (inc. VAT) £41.66 (ex. VAT)
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  • Total Capacity: 4GB DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 1R (Single Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£21.99 (inc. VAT) £18.33 (ex. VAT)
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  • Total Capacity: 64GB DDR4 ECC LRDIMM (Load Reduced) DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC LRDIMM (Load Reduced)
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL17
  • Memory Rank: 4R (Quad Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£451.99 (inc. VAT) £376.66 (ex. VAT)
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  • Total Capacity: 128GB DDR4 ECC LRDIMM (Load Reduced) DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC LRDIMM (Load Reduced)
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL17
  • Memory Rank: 8R (Octal Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£1,724.99 (inc. VAT) £1,437.49 (ex. VAT)
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  • Total Capacity: 8GB DDR4 ECC Registered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Registered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£104.99 (inc. VAT) £87.49 (ex. VAT)
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  • Total Capacity: 32GB DDR4 ECC Registered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Registered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£203.99 (inc. VAT) £169.99 (ex. VAT)
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Want it despatched tomorrow? Order within 22hrs 16mins
  • Total Capacity: 32GB DDR4 ECC Registered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Registered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£225.99 (inc. VAT) £188.33 (ex. VAT)
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  • Total Capacity: 32GB DDR4 Non-ECC SODIMM
  • Module Type: SODIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL):
  • Memory Rank: 8R (Octal Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£204.99 (inc. VAT) £170.83 (ex. VAT)
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  • Total Capacity: 16GB DDR4 Non-ECC SODIMM
  • Module Type: SODIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL17
  • Memory Rank: 2R (Dual Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£94.99 (inc. VAT) £79.16 (ex. VAT)
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  • Total Capacity: 8GB DDR4 Non-ECC SODIMM
  • Module Type: SODIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL19
  • Memory Rank: 1R (Single Rank)
  • Brand: Samsung
  • Warranty: Lifetime
£48.99 (inc. VAT) £40.83 (ex. VAT)
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  • Total Capacity: 32GB DDR4 ECC Registered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Registered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL21
  • Memory Rank: 2R (Dual Rank) x4
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£239.99 (inc. VAT) £199.99 (ex. VAT)
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  • Total Capacity: 16GB DDR4 ECC Registered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Registered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL21
  • Memory Rank: 1R (Single Rank) x4
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£136.99 (inc. VAT) £114.16 (ex. VAT)
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  • Total Capacity: 16GB DDR4 ECC Registered DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC Registered
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL21
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£136.99 (inc. VAT) £114.16 (ex. VAT)
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  • Total Capacity: 128GB DDR4 ECC LRDIMM (Load Reduced) DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC LRDIMM (Load Reduced)
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2400MHz (PC4-19200)
  • CAS Latency (CL): CL17
  • Memory Rank: 8R (Octal Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£1,355.99 (inc. VAT) £1,129.99 (ex. VAT)
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  • Total Capacity: 64GB DDR4 ECC LRDIMM (Load Reduced) DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC LRDIMM (Load Reduced)
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2933MHz (PC4-23400)
  • CAS Latency (CL): CL21
  • Memory Rank: 4R (Quad Rank) x4
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£486.99 (inc. VAT) £405.83 (ex. VAT)
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  • Total Capacity: 128GB DDR4 ECC LRDIMM (Load Reduced) DIMM
  • Module Type: DIMM
  • Type/Error Check: ECC LRDIMM (Load Reduced)
  • Memory Form Factor: DDR4 1.2v
  • Memory Speed: 2666MHz (PC4-21300)
  • CAS Latency (CL): CL20
  • Memory Rank: 8R (Octal Rank) x8
  • Brand: Crucial, Elpida, Kingston, Micron, Samsung or SK Hynix
  • Warranty: Lifetime
£1,355.99 (inc. VAT) £1,129.99 (ex. VAT)
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  • Total Capacity: 16GB DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.35v
  • Memory Speed: 3000MHz (PC4-24000)
  • CAS Latency (CL): CL15
  • Memory Rank: 2R (Dual Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£107.99 (inc. VAT) £89.99 (ex. VAT)
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  • Total Capacity: 8GB DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.35v
  • Memory Speed: 3000MHz (PC4-24000)
  • CAS Latency (CL): CL15
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£66.99 (inc. VAT) £55.83 (ex. VAT)
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  • Total Capacity: 16GB Kit (8GB x2) DDR4 Non-ECC DIMM
  • Module Type: DIMM
  • Type/Error Check: Non-ECC
  • Memory Form Factor: DDR4 1.35v
  • Memory Speed: 3000MHz (PC4-24000)
  • CAS Latency (CL): CL15
  • Memory Rank: 1R (Single Rank) x8
  • Brand: HyperX
  • Warranty: Lifetime
£119.99 (inc. VAT) £99.99 (ex. VAT)
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In stock for next day delivery
Want it despatched tomorrow? Order within 22hrs 16mins

RAM upgrades are the quickest and most cost effective way to give your system a performance boost. We stock every capacity possible within the DDR, DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP, DDR4 or DDR4 VLP range and these capacities include 1GB, 2GB Kit (1GB x2), 2GB, 4GB Kit (2GB x2), 4GB, 6GB Kit (2GB x3), 8GB Kit (2GB x4), 8GB, 8GB Kit (4GB x2), 12GB Kit (4GB x3), 16GB Kit (4GB x4), 16GB Kit (8GB x2), 16GB, 24GB Kit (8GB x3), 32GB Kit (16GB x2), 32GB Kit (8GB x4), 32GB, 48GB Kit (16GB x3), 64GB Kit (16GB x4), 64GB Kit (8GB x8), 64GB, 128GB, 128GB Kit (32GB x4) and 128GB Kit (16GB x8).

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

We offer warranties on all our DDR, DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP, DDR4 or DDR4 VLP RAM modules including 5 Years or Lifetime.

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

Still unsure on what DDR, DDR2, DDR3, DDR3 VLP, DDR3L, DDR3L VLP, DDR4 or DDR4 VLP 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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