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 288-pin DDR4 DIMM with black chips and silver heatsink

Brute Networks

Brute Networks 78P4199 IBM Compatible 64GB DDR4-2666 4Rx4 Registered ECC server RAM

SKU CH-ESVV-JYNQR

64 GB DDR4-2666 registered ECC server memory with 4Rx4 organisation and 1.2 V operation

  • Total capacity64 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank4Rx4
  • 64GB capacity supports large memory workloads
  • DDR4-2666 speed delivers 21300 MT/s bandwidth
  • Registered ECC design protects data integrity in servers
  • 4Rx4 organisation enables high density per DIMM slot
  • 20V operation reduces power draw per module

64GB Registered ECC DDR4 for IBM Servers

This 64GB DDR4-2666 module uses a 4Rx4 registered ECC design and runs at 1.20V. It matches IBM part number 78P4199 and fits 288-pin DDR4 slots in compatible servers. The module is built with major-brand chips and validated for 100% compatibility.

Thermals Noise and Power Draw

Registered DDR4 modules operate at the standard 1.20V, keeping power draw low in dense memory configurations. Error-correcting code and register buffering add minimal latency while maintaining signal integrity under sustained workloads. No active cooling is required on the module itself.

Upgrading from Smaller or Non-ECC Kits

Replacing lower-capacity unbuffered or non-ECC DIMMs with this 64GB registered kit adds capacity and data integrity for virtualization or database tasks. The jump is worth it when the server board supports registered ECC and the application benefits from larger memory footprints. Buyers who need non-registered memory or capacities below 64GB should look elsewhere.

How it compares

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

Price $513.99
Pricier than about 71% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $8.03 per GB
Pricier than about 57% 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 nameIBM
Total capacity64 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Power
Rated voltage1.2 V

Questions about this item

How is the 288-pin DDR4 module installed, and what step is often missed?

Align the notch on the 288-pin DDR4 stick with the slot key, press straight down until both retention clips click, then verify the 1.20 V operating voltage is recognised in the BIOS.

What maintenance or replacement will the 64 GB 4Rx4 registered ECC memory need later?

The module itself has no serviceable parts; replacement is only required if a correctable ECC error count exceeds the platform threshold or a DIMM slot fails.

What limit appears first when the PC4-21300 2666 MHz kit runs under sustained load?

The 1.2 V supply and registered 4Rx4 architecture cap sustained throughput at the rated 2666 MT/s before thermal throttling becomes a factor.

More in ECC Server RAM

Similar items