Lenovo 4X77A90991 32 GB DDR5 Memory

32 GB (1x32) · DDR5 · 5600 MHz

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Capacity 32 GB (1x32)
Type DDR5
Speed 5600 MHz
Memory type DDR5

Lenovo 4X77A90991 32 GB DDR5 Memory is a desktop memory kit (32 GB (1x32)) running at 5600 MHz. It's DDR5, so your motherboard must take DDR5. It came out in 2024.

Released: 2024-01-07

Specifications

Key specs

Capacity: 32 GB (1x32)
Type: DDR5
Speed: 5600 MHz
Memory type: DDR5
Released: 2024-01-07
Part number: 4X77A90991

Features

Internal memory: 32 GB
Memory layout (modules x size): 1 x 32 GB
Internal memory type: DDR5
Memory clock speed: 5600 MHz
Component for: Server
Memory form factor: 288-pin DIMM
Buffered memory type: Registered (buffered)

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Compatible motherboards

DDR5 slots

Gigabyte A620M S2H (mATX)A620 · AM5
Gigabyte B650M D3HP (mATX)B650 · AM5
MSI B650M GAMING PLUS WIFI (mATX)B650 · AM5
ASUS TUF GAMING B650-PLUS WIFI (ATX)B650 · AM5
ASUS TUF GAMING Z890-PLUS WIFIZ890 · LGA1851 (Socket V1)
MSI MAG X870 TOMAHAWK WIFI (ATX)X870 · AM5
MSI PRO B760M-P DDR5 (mATX)B760 · LGA1700
MSI PRO B860M-A WIFI (mATX)B860 · LGA1851

About this product

Memory reliability, performance and quality are even more critical today as customers utilize greater memory capacities for Big Data Analytics, Cloud Computing, Virtualization, Database and High Performance Computing workloads. Lenovo offers TruDDR5 and TruDDR4 Memory portfolio for ThinkSystem servers which help dramatically improve workload performance.

4X77A90991 vs similar RAM

	Lenovo 4X77A90991 32 GB DDR5 Memory	Lenovo 4X71T17935 32 GB DDR5 Memory	Lenovo 4X71S00738 32 GB DDR5 Memory	Lenovo 4X71N41635 32 GB DDR5 Memory
Capacity	32 GB (1x32)	32 GB (1x32)	32 GB (1x32)	32 GB (1x32)
Type	DDR5	DDR5	DDR5	DDR5
Speed	5600 MHz	5600 MHz	5600 MHz	5600 MHz
Memory type	DDR5	DDR5	DDR5	DDR5
Released	2024	2025	2025	2024