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Green bare DDR5 UDIMM module with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR5 4800 CL40 1Rx8 1.1V UDIMM THINKMATE MD38400-818K1

SKU CH-EJY2-99H06

Adds 8 GB of DDR5 4800 CL40 memory to compatible THINKMATE workstations

  • Total capacity8 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 8GB DDR5 4800MHz capacity for responsive multitasking
  • CL40 latency at 1.1V for efficient operation
  • 288-pin UDIMM form factor fits compatible desktops
  • 1Rx8 single-rank layout for broad compatibility
  • Samsung, Micron or Hynix chips ensure reliable quality

ThinkMate DDR5 4800 UDIMM

This 8 GB DDR5 module runs at 4800 MT/s with CL40 latency and 1.10 V operation. It is built for ThinkMate SB Grid-Standard workstations that require non-ECC unbuffered memory. The single-rank 1Rx8 design uses major OEM chips from Samsung Micron or Hynix. It suits IT professionals upgrading compatible ThinkMate desktops or workstations.

288-pin DDR5 slot requirement

The stick fits a standard 288-pin DDR5 UDIMM socket on a motherboard that supports DDR5 4800 non-ECC unbuffered memory. No heat spreader is included so the module stays low-profile for tight DIMM spacing. Installation follows the usual desktop memory procedure without extra cables or brackets. Systems needing ECC or registered DIMMs cannot use this module.

Sustained load stability

Each module is stress tested under load before shipping to verify stability during extended workloads. The 1.10 V DDR5 voltage helps maintain consistent operation without thermal throttling in supported ThinkMate platforms. Builders who need higher capacities or multiple populated channels should plan around the single 8 GB density. Buyers requiring ECC error correction must choose a different part.

How it compares

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

Price $115.99
Cheaper than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $14.50 per GB
Pricier than about 61% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-818K1
Total capacity8 GB
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items8 GB (1 × 8 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Does the CL40 latency limit throughput during long rendering jobs?

CL40 is the rated CAS latency at 4800 MT/s; sustained throughput will follow that timing.

How much heat does the 1.10 V module produce when the workstation runs all day?

The module operates at 1.10 V without a heat spreader, so it relies on case airflow to stay cool.

Must the motherboard have 288-pin DDR5 slots for this UDIMM to work?

Yes, it requires a 288-pin DDR5 UDIMM slot and a platform that supports non-ECC unbuffered memory.

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