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 DDR5 UDIMM sticks, no heat spreaders, 288-pin, 128GB kit

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 5200 CL38 memory upgrade

SKU CH-ZZTY-644N3

128 GB kit of four 32 GB DDR5 modules running at 5200 MT/s with CL38 latency for Supermicro desktop workstations

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 5200 (PC5 41600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 128GB 4X32GB

  • 128 GB total capacity from four 32 GB modules
  • DDR5 5200 speed rated at PC5-41600 bandwidth
  • CL38 CAS latency for responsive desktop performance
  • 1 V operating voltage reduces power draw
  • Validated for Supermicro SYS-531AD-I and C9Z790-CG workstations

Capacity and Compatibility

This 128GB kit provides four 32GB DDR5 UDIMM modules rated at 5200 MT/s with CL38 latency. It is built for Supermicro desktop workstations such as the SYS-531AD-I and C9Z790-CG platforms. The modules are non-ECC, unbuffered and operate at 1.1V using Samsung, Micron or Hynix chips.

Thermals and Power

Without a heat spreader the modules rely on case airflow to stay cool. At the rated 1.1V voltage the power draw remains modest for DDR5, keeping temperatures low during typical desktop workloads. Silent operation is assured because no active cooling is attached to the memory.

Sustained Load Behaviour

Under prolonged stress testing the kit maintains its rated 5200 speed and CL38 timings without throttling. The 2Rx8 organisation supports stable throughput for extended compile, rendering or virtualisation sessions. Compatibility validation targets the specified Supermicro systems rather than general consumer boards.

Highlights

  • 128 GB total capacity from four 32 GB modules
  • DDR5 5200 speed rated at PC5-41600 bandwidth
  • CL38 CAS latency for responsive desktop performance
  • 1 V operating voltage reduces power draw
  • Validated for Supermicro SYS-531AD-I and C9Z790-CG workstations

Specifications

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 5200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD41600-328K4
Capacity128GB (4 x 32GB)
SpeedDDR5 5200 (PC5 41600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL38
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (4X32GB) DDR5 5200MHZ PC5-41600 2Rx8 1.1V CL44 288-PIN Non-ECC Unbuffered UDIMM KIT

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the 288-pin DDR5 UDIMM modules and which step is often missed?

Align each module's notch with the slot key, press firmly until both retention clips click, then verify in BIOS that all four 32GB sticks run at 5200 MT/s with CL38 timings.

What maintenance or replacement will this 128GB kit need over time?

No scheduled maintenance is required; the modules have no heat spreader and operate at 1.1V, so only a future capacity upgrade would prompt replacement.

What limit appears first under sustained load with these CL38 2Rx8 sticks?

The CAS latency of 38 cycles at 5200 MT/s sets the primary latency boundary before bandwidth or thermal constraints become noticeable.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.