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
Green bare circuit board DDR5 UDIMM memory module with black chips no heat spreader 288 pins

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 1.1V 2Rx8 288-pin UDIMM memory upgrade

SKU CH-9PTR-X521R

32 GB DDR5 module running at 4800 MHz with CL40 latency and 1.1 V for ASRock Z790 Taichi boards

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V

Capacity 32GB

  • 32 GB capacity expands multitasking headroom for demanding workloads
  • DDR5 4800 MT/s speed delivers high bandwidth for modern desktops
  • 1 V operation reduces power draw and heat output
  • CL40 latency supports responsive system performance
  • 288-pin UDIMM form factor fits standard desktop memory slots

Compatible DDR5 upgrade for ASRock Z790 Taichi

This 32 GB DDR5 module is validated for ASRock Z790 Taichi, Taichi Carrara and Taichi Lite motherboards. It targets builders who need a single high-capacity stick for those specific boards. Buyers with other chipsets or four-slot kits should verify their own qualified-vendor list.

Thermals and power at stock settings

The module runs at the standard 1.1 V with no heat spreader, relying on case airflow for cooling. Power draw stays at the JEDEC baseline for DDR5 4800, so no extra voltage headroom is required. Systems with restricted airflow may see higher temperatures under sustained load.

Build details and daily implications

A bare green PCB with 288 pins and 2Rx8 organisation fits any standard UDIMM slot. The single-rank-per-channel layout eases memory-controller training on supported boards. No ECC or registered buffering means it suits desktop workloads only. Installers should confirm the motherboard QVL before purchase.

How it compares

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

Price $410.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $12.84 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 lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-328K1
Total capacity32 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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 288-pin DDR5 UDIMM in my ASRock Z790 Taichi motherboard and what step is often missed?

Align the notch on the module with the slot key, press firmly until both retention clips click shut, then enable XMP in BIOS to run at 4800 MHz CL40.

What maintenance or replacement will this 32 GB kit need over its lifetime?

No scheduled maintenance is required; the module has no heat spreader and runs at 1.10 V, so only a BIOS update might be needed if the platform adds new memory profiles.

What limit appears first when the memory runs sustained workloads at 4800 MT/s?

The CL40 latency at 1.10 V is the primary constraint; bandwidth scales with the controller, but timing stays fixed unless the BIOS relaxes secondary timings.

More in Model-Specific Memory Upgrades

Similar items