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Cheapest 128GB RAM ranked by price per GB

prices updated 3 hours ago (22 Oct 2026, 13:42 BST)
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£/GB Price Capacity Manufacturer For Type Form Factor ECC / Buffered Description
£5.05best £/GB£646.44▼ 27%128GB (8x16GB)OWCMacDDR3DIMM 1333MHzECC
OWC 128.0GB (8X 16GB) PC10600 DDR3 with ECC Recording 1333MHz 240 Pin Memory Upgrade for Some 2009-2012 Mac Pro ModelsBuy📈-
£6.16best £/GB£788.65128GB (4x32GB)NEMIX RAMMacDDR4SO-DIMM 2666MHzNon-ECCUnbuffered
NEMIX RAM Compatible for 128GB (4x32GB) DDR4 2666MHz PC4-21300 SODIMM Memory Upgrade for Apple iMac Mid 2020 (iMac 20,1 / 20,2) / Mid 2019 (iMac19,1) 27-inch w/Retina 5K, Late 2018 Mac Mini 8,1Buy📈-
£6.22best £/GB£796.00128GB (4x32GB)GLOBAL MEMORYServerDDR4DIMM 2666MHzECCBuffered
128GB (4 x 32GB) DDR4 2666MHz PC4-21300 288-PIN ECC REGISTERED DIMM (RDIMM) MEMORY RAM KIT COMPATIBLE WITH SERVERS/WORKSTATIONS/MOTHERBOARDS (*NOT FOR PCs*) (8 RANK KIT CHIPKILL)Buy📈-
£6.24£799.00128GB (4x32GB)KingstonServerDDR4DIMMECCBuffered
Kingston ValueRAM DDR4 128 GB (4 x 32 GB) LRDIMM CL17 ECC Memory - GreenBuy📈-
£6.86£878.56128GB (4x32GB)A-TechMacDDR4SO-DIMM 2666MHzNon-ECCUnbuffered
A-Tech 128GB Kit (4x32GB) RAM for Apple iMac 2019 & 2020 27 inch Retina 5K | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Max Memory UpgradeBuy📈-
£7.83£1,002.66128GB (4x32GB)NVTEKDesktopDDR4DIMM 2666MHzNon-ECCUnbuffered
NVTEK 128GB (4X32GB) DDR4 2666MHz PC4-21300 UDIMM 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered Desktop PC Computer Memory KITBuy📈★★★★½68
£10.18£1,302.43★▼ 46%128GB (4x32GB)OWCMacDDR4SO-DIMM 3200MHzNon-ECCUnbuffered
OWC 128GB (4x32GB) DDR4 3200MHz Non-ECC SODIMM 260-pin Memory RAMBuy📈★★★★½3
£10.59£1,355.45▼ 27%128GB (4x32GB)OWCMacDDR4SO-DIMM 2400MHzNon-ECCUnbuffered
OWC Memory 128GB (4X 32GB) DDR4 CL17 PC4-19200 2400MHz SO-DIMM RAMBuy📈-
£11.28£1,444.00▼ 11%128GB (4x32GB)G.SKILLServerDDR4DIMM 3600MHzNon-ECC
G.SKILL RipjawsV Series DDR4 RAM (XMP) 128GB (4x32GB) 3600MT/s CL18-22-22-42 1.35V Intel AMD Desktop Computer Memory U-DIMM - Black (F4-3600C18Q-128GVK)Buy📈-
£12.38£1,585.15128GB (4x32GB)NEMIX RAMServerDDR4DIMM 3200MHzECCBuffered
NEMIX RAM 128GB (4X32GB) DDR4 3200MHZ PC4-25600 2Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KITBuy📈★★★★☆6
£15.28£1,955.58128GB (4x32GB)OWCMacDDR4SO-DIMM 3200MHzECCUnbuffered
OWC 128GB (4x32GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAMBuy📈★★★★☆22
£15.55best £/GB£1,990.00128GB (2x64GB)CrucialLaptopDDR5SO-DIMM 5600MHzUnbuffered
Crucial DDR5 RAM 128GB Kit (2x64GB) 5600MHz SODIMM, Laptop Computer Memory, Mini PC (or 5200MHz, 4800MHz) CL46 - CT2K64G56C46S5Buy📈-
£17.18best £/GB£2,199.00128GB (2x64GB)CrucialDesktopDDR5DIMM 5600MHz-
Crucial Pro DDR5 RAM 128GB Kit (2x64GB) 5600MHz, Intel XMP 3.0 / AMD EXPO, Computer Memory (PC) - CP2K64G56C46U5Buy📈-
£17.30£2,214.36128GB (2x64GB)CorsairDesktopDDR5DIMM 6000MHz-
CORSAIR VENGEANCE DDR5 RAM 128GB (2x64GB) Up to 6000MHz CL40-50-50-96 1.35V Intel XMP 3.0 Computer Memory – Black (CMK128GX5M2D6000C40)Buy📈★★★★½4
£17.32£2,217.44128GB (8x16GB)OWCMacDDR4SO-DIMM 3200MHzECCUnbuffered
OWC 128GB (8x16GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAMBuy📈-
£17.92£2,293.96128GB (4x32GB)KingstonDesktopDDR5DIMM 5600MHz-
Kingston FURY Beast Black DDR5 128GB (4x32GB) 5600MT/s CL40 DIMM Desktop Gaming Memory Kit of 4 Intel XMP - KF556C40BBK4-128Buy📈-
£18.17£2,325.44128GB (2x64GB)TEAMGROUPDesktopDDR5DIMM 6000MHz-
TEAMGROUP T-Create Expert Overclocking 10L CL40 DDR5 128GB Kit (2 x 64GB) 6000MHz (PC5-48000) Intel XMP 3.0 & AMD Expo Compatible Desktop Memory Module Ram Black - CTCED5128G6000HC40FDC01Buy📈-
£18.45£2,361.74128GB (2x64GB)TEAMGROUPDesktopDDR5DIMM 6400MHz-
TEAMGROUP T-Create Expert Overclocking 10L CL42 DDR5 128GB Kit (2 x 64GB) 6400MHz (PC5-51200) Intel XMP 3.0 & AMD Expo Compatible Desktop Memory Module Ram Black - CTCED5128G6400HC42CDC01Buy📈-
£30.90£3,954.98128GB (4x32GB)KingstonDesktopDDR5DIMM 5200MHz-
Kingston FURY Beast Black DDR5 128GB (4x32GB) 5200MT/s CL40 DIMM Desktop Gaming Memory Kit of 4 Intel XMP - KF552C40BBK4-128Buy📈-
£33.54£4,293.70128GB (2x64GB)G.SKILLDesktopDDR5DIMM 6000MHzNon-ECC
G.SKILL Trident Z5 Neo RGB Series DDR5 RAM (AMD Expo & Intel XMP 3.0) 128GB (2x64GB) 6000MT/s CL34-44-44-96 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3444F64GX2-TZ5NR)Buy📈★★★★½21
£34.02£4,354.05128GB (2x64GB)G.SKILLDesktopDDR5DIMM 6000MHzNon-ECC
G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO & Intel XMP 3.0) 128GB (2x64GB) 6000MT/s CL34-44-44-96 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3444F64GX2-FX5)Buy📈★★★★☆25
£36.49£4,671.30128GB (2x64GB)G.SKILLDesktopDDR5DIMM 6000MHzNon-ECC
G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO) 128GB (2x64GB) Up to 6000MT/s CL32-44-44-96 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3244G64GX2-FX5)Buy📈★★★½☆7

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