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Single green DDR5 UDIMM circuit board with black memory chips and gold edge contacts

NEMIX RAM

NEMIX RAM 48GB DDR5 5600 CL46 1.1V 2Rx8 288-Pin UDIMM memory upgrade for ASRock Rack W680D4U-2L2T/G5

SKU CH-MFE1-E8T59

A 48 GB DDR5 UDIMM running at 5600 MT/s with CL46 latency and 1.1 V operation, validated for the ASRock Rack W680D4U-2L2T/G5 motherboard

  • Total capacity48 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 48 GB capacity expands multitasking headroom for demanding workloads
  • DDR5 5600 speed delivers high bandwidth for data-intensive applications
  • CL46 latency supports responsive system performance at rated frequency
  • 1 V operation reduces power draw compared to higher-voltage modules
  • 288-pin UDIMM form factor fits the ASRock Rack W680D4U-2L2T/G5 motherboard

48GB DDR5 UDIMM for ASRock Rack W680D4U

This 48GB DDR5 5600 module is built for the ASRock Rack W680D4U-2L2T/G5 motherboard. It uses a single 288-pin UDIMM running at 1.1V with CL46 latency. The 2Rx8 rank layout suits workstations and servers needing maximum capacity per slot. Buyers who want ECC protection or registered buffering should look elsewhere.

Replaces slower DDR5 or smaller DDR5 modules

Upgrading from lower-speed DDR5 or smaller-capacity sticks yields higher bandwidth and more headroom for multi-threaded workloads. The jump is worth it when your board supports DDR5 5600 and you need 48GB in one slot. Systems locked to lower DDR5 speeds or limited to smaller DIMMs will not benefit.

Check motherboard slot count and BIOS revision

Verify the W680D4U-2L2T/G5 has a free 288-pin DDR5 UDIMM slot and that the BIOS recognises 48GB 2Rx8 non-ECC modules at 5600 MT/s. Confirm the platform accepts 1.1V operation without manual voltage changes. Buyers with boards restricted to registered or ECC memory cannot use this kit.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $617.99
Pricier than about 54% of the 21,161 comparable items (median $397.99).
Total capacity 48 GB
Higher than about 55% of the 20,941 comparable items (median 32 GB).
Price per GB $12.87 per GB
Pricier than about 59% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Memory
Model nameDDR5 Non-ECC Unbuffered UDIMM Memory
Part numberMD44800-4828K1
Total capacity48 GB
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items48 GB (1 × 48 GB) DDR5 5600 MHz PC5-44800 2Rx8 1.1 V 288-PIN Non-ECC UDIMM

Questions about this item

Will the 288-pin DDR5 UDIMM fit the ASRock Rack W680D4U-2L2T/G5 motherboard slots?

Yes, the module uses the standard 288-pin DDR5 UDIMM form factor that matches the DIMM slots on the ASRock Rack W680D4U-2L2T/G5 board.

What BIOS step is often missed when installing this 5600 CL46 1.10V DDR5 module?

After seating the DIMM, enter the BIOS and confirm the memory runs at DDR5 5600 with CL46 timings at 1.10V; some boards default to a lower speed until XMP or the equivalent profile is enabled.

Does the 48GB 2Rx8 stick need any periodic cleaning or component replacement?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so only occasional dust removal from the slot area is needed.

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