We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Four green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 CL22 ECC UDIMM memory upgrade

SKU CH-8Z64-KQG27

A 64 GB kit of four 16 GB DDR4 3200 CL22 ECC unbuffered UDIMMs at 1.2 V for Supermicro systems

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB total capacity from four 16 GB modules
  • DDR4 3200 speed with PC4-25600 bandwidth rating
  • ECC unbuffered design protects data integrity in servers
  • 2 V operation matches standard DDR4 voltage
  • 288-pin UDIMM form factor fits SuperMicro R12SPD-A

Target system

This 64GB kit is built for Supermicro servers and workstations that require DDR4 3200 ECC unbuffered UDIMM memory. It suits administrators who need to populate four slots with matched modules for maximum stability.

ECC and rank structure

Error-correcting code protects data integrity during sustained workloads while the 2Rx8 organisation allows each 16GB module to address two ranks. The CL22 timing and 1.2V operation match the platform specification without additional tuning.

Slot population

Four 288-pin UDIMMs install in minutes by aligning the key notch and pressing until the retention clips latch. Systems that require registered DIMMs or a different voltage will not accept these modules.

How it compares

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

Price $530.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $8.30 per GB
Typical for this category: the median of 20,941 items is $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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-628K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB (4 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Will the 2Rx8 Samsung Micron Hynix chips on these modules need any firmware updates or reseating over time?

The modules use major OEM chips and are stress tested under load; no firmware updates are required and reseating is only needed if the system is moved.

What is the first limit reached when the 64 GB kit runs at 3200 MT/s CL22 continuously?

The CL22 latency at DDR4 3200 sets the throughput ceiling before voltage or thermal limits appear.

How much heat does the 1.2 V unbuffered UDIMM kit produce during all day operation?

Running at 1.2 V without heat spreaders keeps thermals low; the ECC unbuffered design adds minimal power draw under sustained load.

More in Model-Specific Memory Upgrades

Similar items