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Green 288-pin DDR5 memory module with black chips and silver contacts

Kingston Technology Corp.

Kingston Technology Corp. KSM48E40BS8KI-16HA 16GB DDR5 4800 CL40 ECC server RAM

SKU CH-3TFR-D2Z2N MPN KSM48E40BS8KI-16HA

16 GB DDR5 ECC module runs at 4800 MHz with CL40 latency for server and workstation stability

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetHynix A-DIE
  • CAS latencyCL40
  • Memory timings40-39-39
  • Rated voltage1.1 V

Capacity 16GB

Rank 1Rx8

  • ECC protection guards data integrity with built-in error correction
  • 4800 MHz DDR5 speed handles heavy workloads smoothly
  • 10 V operation lowers power draw for server efficiency
  • Single-rank 1Rx8 layout simplifies memory controller scheduling
  • 288-pin DDR5 form factor fits standard server DIMM slots

16GB DDR5 ECC Server Memory

This 16GB DDR5 module operates at 4800 MHz with CL40 latency and on-die ECC. It is built for servers and workstations that require error correction and registered-style reliability in an unbuffered form factor. The single-rank design uses Hynix A-die chips at 1.10V.

Suited for ECC-capable platforms needing 1Rx8

This module fits systems that support unbuffered DDR5 ECC at 4800 MT/s and can address a single-rank 16GB DIMM. Builders whose motherboards lack ECC support or require registered RDIMMs should look at something else.

Unbuffered ECC at DDR5 4800 is the deciding spec

The combination of ECC, unbuffered signalling and 4800 MT/s speed determines compatibility. Only platforms that explicitly list support for unbuffered DDR5 ECC at this data rate can use the module.

How it compares

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

Price $233.99
Pricier than about 55% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $14.62 per GB
Pricier than about 75% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKSM48E40BS8KI-16HA
Total capacity16 GB
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetHynix A-DIE
Memory
CAS latencyCL40
Memory timings40-39-39
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Power
Rated voltage1.1 V
Size & build
Shipping weight0.02 kg
Package size161 × 47 × 8 mm

Other versions of this model

1 more in the same range

Questions about this item

How can I verify the module is running at DDR5 4800 with CL40 timings after installation?

Check the memory speed and CAS latency in BIOS or UEFI; the module should report 4800 MHz and timings of 40-39-39 at 1.10 V.

What is included in the box and are any extra components required for installation?

The box contains the 16 GB 288-pin DDR5 SDRAM module only; no additional parts are needed if the motherboard has a compatible DDR5 slot.

Which capacity and rank option should I choose for a single-module upgrade?

This part is a single 16 GB 1Rx8 module; select it when you need one 16 GB stick with ECC and unbuffered operation.

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