M391A2K43BB1-CTD Samsung 16GB DDR4-2666 ECC UDIMM 2Rx8 1.2V Memory

16GBDDR4-2666UDIMM2Rx81.2V

$ 239

🟢 30 pcs available · Lead time: 3-4 Days · Updated 25 May 2026
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Tier-1 Memory

Samsung, Micron & SK Hynix

Server Compatibility

Dell, HPE, Lenovo, Cisco and more

Volume Pricing

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Technical Support

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Overview

  • Samsung M391A2K43BB1-CTD – 16GB DDR4-2666 ECC Unbuffered DIMM
    Reliable, proven DDR4 memory solution for modern servers from Samsung, designed for entry-level virtualization, edge compute, and small-scale servers. JEDEC PC4-21300V-E compliant.
  • Compatible with Major Server Brands
    Built with Dual Rank x8 architecture, this Samsung UDIMM works flawlessly in servers from Dell, HPE, Lenovo, Cisco, and others that support DDR4-2666 ECC Unbuffered memory.
  • Optimized Performance
    Delivers 2666 MT/s with CL19 latency at 1.2V.
  • Genuine Samsung Quality
    Manufacturer-grade reliability, backed by warranty. Trusted in datacenters, telecom networks, and enterprise IT environments worldwide.

M391A2K43BB1-CTD Specifications

Manufacturer

Samsung

Part Number

M391A2K43BB1-CTD

Memory Size

16GB

Memory Speed

DDR4-2666

Memory Technology

DDR4

Speed

2666

Rank and Organization

2Rx8

Rank Type

Dual Rank

Chip Organization

x8

Error Correction (ECC)

ECC

CAS Latency

CL19

DIMM Type

Unbuffered

Form Factor

UDIMM

Voltage

1.2V

Pins

288

Height

STD

JEDEC Specification

PC4-21300V-E

Temperature

0°C to 85°C

Same-Spec Alternatives

Alternative part numbers with matching key specifications.

PicturePart NumberBrandSizeSpeedForm FactorShips InStockPrice
Samsung16GBDDR4-2666UDIMM
🟢3–4D
30

$ 239

Need help choosing between available part numbers? Contact us for pricing and availability.

Order Summary