SK Hynix HMA851S6CJR6N - VK Non ECC PC4-2666V 4GB DDR4 2666MHz SODIMM Memory Module

£36.00 £9.00/GB

12% cheaper per GB than the average 4GB DDR4 kit we track.

▼ 5% below 90-day median Laptop DDR4 Non-ECC Unbuffered

★ 4.5/5 · 539 reviews on Amazon

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Specification

Price history

Typical price (median) 90-day £38.00 12-month £38.00 12-month low £19.25 All-time low £12.99 (2022-10-24)

Middling Today’s price is 5% below this kit’s typical price for the past year, and it has been cheaper than this for 45% of that year (last on 29 Mar 2026). Why medians, not averages ›

30-day avg £38.0090-day avg £38.05180-day avg £39.49 (averages are pulled up by price spikes; the medians above are the better guide)

Cheaper per GB in the same spec

Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›

	£/GB	Price	Capacity	Manufacturer	For	Type	Form Factor	ECC / Buffered	Description
	£6.38best £/GB	£25.51	4GB	Karmatech	Laptop	DDR4	SO-DIMM 3200MHz	Unbuffered	KARMATECH DDR4 SODIMM RAM (Refurbished) - 4GB/8GB/16GB/32GB - 2400/2666/3200 MHz (2666 MHz, Green, 4GB)Buy📈★☆☆☆☆1
	£6.66	£26.62	4GB	Karmatech	Laptop	DDR4	SO-DIMM 3200MHz	Unbuffered	KARMATECH DDR4 SODIMM RAM (Refurbished) - 4GB/8GB/16GB/32GB - 2400/2666/3200 MHz (2400 MHz, Green, 4GB)Buy📈-
	£7.50	£30.00	4GB	GLOBAL MEMORY	Laptop	DDR4	SO-DIMM 2133MHz	Unbuffered	4GB DDR4 2133MHz PC4-17000 260-PIN SODIMM MEMORY RAM COMPATIBLE WITH LAPTOPS/NOTEBOOKSBuy📈★★★☆☆2
	£7.50	£30.00	4GB	GLOBAL MEMORY	Laptop	DDR4	SO-DIMM 2400MHz	Unbuffered	4GB DDR4 2400MHz PC4-19200 260-PIN SODIMM MEMORY RAM COMPATIBLE WITH LAPTOPS/NOTEBOOKSBuy📈★★★★★1
	£7.50	£30.00	4GB	GLOBAL MEMORY	Mac	DDR4	SO-DIMM 2400MHz	Unbuffered	4GB DDR4 2400MHz PC4-19200 260-PIN SODIMM MEMORY RAM COMPATIBLE WITH INTEL 27" RETINA 5K IMAC (2017)Buy📈★★★★★1
	£7.50	£30.00	4GB	GLOBAL MEMORY	Mac	DDR4	SO-DIMM 2666MHz	Unbuffered	4GB DDR4 2666MHz PC4-21300 260-PIN SODIMM MEMORY RAM COMPATIBLE WITH 27" RETINA 5K IMAC (2019/2020)Buy📈★★★★☆2

About this kit

• Manufacturer: Hynix | Manufacturer Part # HMA851S6CJR6N-VK
• Total Capacity: 4GB single kit | Memory Type: SODIMM
• 260 Pin | Bus Type: PC-21300 | Error Correction: Non-ECC
• Speed: 2666 MT/S | Voltage: 1.2V | Cycle Time: 0.75ns
• Memory Module only in OEM Packaging - No retail box

SK hynix HMA851S6CJR6N - VK Non ECC PC4-2666V 4GB DDR4 at 2666MHz 260pin SDRAM SODIMM Single Kit Laptop Memory - OEM

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