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Green 288-pin DDR5 DIMM with black chips, 64GB server memory

Micron Technology, Inc.

Micron Technology, Inc. MTC40F2046S1RC48BR 64GB DDR5 4800 CL40 1.10V ECC Registered 2Rx4 server RAM

SKU CH-N1BS-3KTXQ MPN MTC40F2046S1RC48BR

64 GB DDR5 server memory with ECC, registered dual-rank design, CL40 timing and 1.10 V operation at 4800 MHz

  • Total capacity64 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Memory timings40-39-39
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64 GB capacity lets you run larger workloads in memory
  • DDR5 4800 speed delivers high bandwidth for server applications
  • ECC registered design corrects errors to protect data integrity
  • CL40 1.10 V timing balances low latency with efficient power use
  • 288-pin dual-rank 2Rx4 module fits standard server DIMM slots

64 GB DDR5 4800 registered ECC module

This 64 GB DDR5 module runs at 4800 MT/s with CL40 timing and 1.10 V operation. It is a 2Rx4 registered DIMM with on-die ECC for data integrity. The 288-pin form factor fits server and workstation platforms that require registered memory.

Suited for high-capacity server deployments

The dual-rank design helps maximize installed memory per channel on compatible motherboards. Registered signalling reduces electrical load on the memory controller. Buyers needing unbuffered DIMMs or lower-capacity modules for consumer boards should look elsewhere.

Registered ECC DDR5 at 4800 MT/s

The registered buffer and ECC function are mandatory for most enterprise platforms. Systems that accept only unbuffered non-ECC memory cannot use this module. Verify motherboard qualification lists before purchase.

How it compares

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

Price $6,462.99
Pricier than about 91% 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 $100.98 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameMicron
Part numberMTC40F2046S1RC48BR
Total capacity64 GB
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
Memory timings40-39-39
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.1 V
Size & build
Shipping weight0.45 kg
Package size152 × 51 × 13 mm

Questions about this item

What motherboard slot does the 288-pin DIMM require?

It needs a DDR5 DIMM socket; the 288-pin keying is specific to DDR5 and will not fit earlier DDR generations.

Can I mix this 4800 MT/s registered module with slower DDR5 modules already in my server?

The system will run all modules at the lowest common speed, so existing slower DDR5 memory will set the overall data rate.

How do I confirm the module is running at 4800 MT/s with CL40 timing after installation?

Check the BIOS memory information or use a tool such as dmidecode to verify the reported speed of 4800 MT/s and timings of 40-39-39.

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