Technical Snapshot

The Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD is a server-grade DDR5 RDIMM memory module designed for enterprise servers and workstations. Running at 4,800 MT/s with CL40-40-40-78 timings at 1.1V, it supports RDIMM profiles for one-click speed optimization in compatible BIOS. The module provides 64GB of DDR5 memory . Backed by a Limited Lifetime warranty, this module targets server deployments, virtualization hosts, and high-availability computing environments requiring ECC error correction.

Use Case: Server deployments, virtualization, high-availability computing
Compatibility: RDIMM-compatible server motherboard
Category: DDR5 RDIMM — Kingston Server Premier

Kingston RAM

Kingston Server Premier

Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD

Name: Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD
Brand: Kingston
SKU: KSM48R40BD4-64MD

DDR5 · RDIMM · 4,800 MT/s · CL40-40-40-78 · 64GB

Speed 4,800 MT/s

Capacity 64GB

Timings CL40-40-40-78

Profile RDIMM

MPNKSM48R40BD4-64MD

EAN0740617343779

CategoryMemory

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Memory Specifications

Memory TypeDDR5

Form FactorRDIMM

Total Capacity64GB

Speed4,800 MT/s

TimingsCL40-40-40-78

Voltage1.1V

XMP/EXPO ProfileRDIMM

ECCYes

Module Height31.25 mm

WarrantyLimited Lifetime

Full Specifications

Data sourced from Kingston product specifications

Memory
Product Line	Server Premier
Memory Type	DDR5
Form Factor	RDIMM
Total Capacity	64GB
Module Count	1
Module Capacity	64GB
Speed	4,800 MT/s
Timings & Voltage
Timings	CL40-40-40-78
Voltage	1.1V
XMP/EXPO Profile	RDIMM
ECC	Yes
Design
Color	Green
Module Height	31.25 mm
Product
Brand	Kingston
MPN	KSM48R40BD4-64MD
EAN	0740617343779
Warranty	Limited Lifetime
Variant	On-Die ECC \| 2Rx4 \| MD
Physical
Weight	0.050 kg (estimated)
Package Dimensions	14.0 x 8.0 x 1.0 cm (estimated)

Support

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Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD DatasheetPDF · Technical specifications

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Frequently Asked Questions

What systems is this memory compatible with?

The Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD is RDIMM server memory with ECC error correction. It requires a server or workstation motherboard with RDIMM support. NOT compatible with standard desktop motherboards. Check your server's QVL (Qualified Vendor List) for compatibility.

Do I need to enable RDIMM in BIOS?

Yes. Out of the box, DDR5 memory runs at JEDEC default speed (typically 4800 MT/s). To achieve the rated 4,800 MT/s with CL40-40-40-78 timings, enable RDIMM in your motherboard BIOS. This is a one-click setting in the memory overclocking section.

Can I add more memory later?

Yes, the Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD is a single 64GB module. You can add additional compatible DDR5 RDIMM modules to populate empty slots. For best performance, use matched modules of the same speed and capacity to enable dual-channel mode.

Does this memory support ECC error correction?

Yes, the Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD includes ECC (Error-Correcting Code) support, which detects and corrects single-bit memory errors. This is essential for servers, workstations, and mission-critical applications where data integrity is paramount.

What warranty does this memory come with?

The Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD comes with a Limited Lifetime warranty from Kingston.

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Product: Kingston Server Premier DDR5 64GB 4800MT/s RDIMM RDIMM — KSM48R40BD4-64MD
MPN: KSM48R40BD4-64MD
Schemas: Product + BreadcrumbList + FAQPage
Properties: 13 additionalProperty entries
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