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 288-pin DDR4 DIMMs, no heat spreaders, 16GB total

A-Tech

A-Tech 16GB (4x4GB) DDR4 2133 ECC RDIMM 1Rx8 CL15 server RAM

SKU CH-JHCM-445EX

A 16 GB quad-channel kit of four 4 GB DDR4 2133 ECC registered DIMMs with CL15 latency and 1.2 V operation

  • Total capacity16 GB (4 × 4 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered

Capacity 16GB (4 x 4GB)

  • ECC protection safeguards data integrity on servers
  • Registered DDR4 2133 MHz modules with CL15 latency
  • 16 GB quad-channel kit delivers 4×4 GB capacity
  • 2 V standard voltage reduces power draw
  • 288-pin single-rank x8 design fits compatible workstations

16 GB quad-channel DDR4 ECC kit

This kit provides 16 GB of DDR4 2133 MHz registered ECC memory across four 4 GB modules. It is built for servers and workstations that require error-correcting registered DIMMs. Desktop and laptop systems cannot use these modules. Verify your platform supports DDR4 ECC RDIMMs before purchase.

Registered ECC with single-rank layout

The registered buffer reduces electrical load on the memory controller, allowing stable operation in multi-module configurations. Single-rank 1Rx8 organisation helps maintain signal integrity at the rated speed. On-die ECC corrects single-bit errors to protect data integrity in critical workloads.

DDR4 2133 MHz CL15 at 1.20 V

The modules run at the standard DDR4 voltage of 1.20 V with a CAS latency of 15 cycles. This speed and timing combination determines whether the kit matches your system's qualified memory list. If your server requires a different data rate or latency, this kit will not be compatible.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $72.99
Cheaper than about 77% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB (4 × 4 GB)
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $4.56 per GB
Cheaper than about 77% of the 6,064 comparable items (median $7.25 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 nameA-Tech
Product lineA-Tech DDR4 Server Memory RAM
Model nameA-Tech 4 GB 1Rx8 PC4-2133P-R
Part numberAT4G4D4D2133RS8N12 V
Total capacity16 GB (4 × 4 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Kit configurationQuad Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

Will the lack of heat spreaders on these 1Rx8 DDR4 modules require additional cooling maintenance?

No maintenance is needed; the modules run at the standard 1.20 V DDR4 voltage and have no heat spreaders, relying on normal chassis airflow.

What limits sustained throughput first — the CL15 latency or the 2133 MT/s bus speed?

The 2133 MT/s bus speed is the primary ceiling; CL15 timing operates within that fixed data rate.

How much power and heat do four registered DIMMs add when the server runs all day?

Each 4 GB stick draws 1.20 V at DDR4 standard levels; total kit power stays low and is handled by typical server airflow.

More in ECC Server RAM

Similar items