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Low-profile RAID card, green PCB, eight SAS ports, 2GB cache module

Lenovo

Lenovo 4Y37A72483 ThinkSystem RAID 9350-8i 2GB Flash SAS RAID controller

SKU CH-KH8D-9VH7N MPN 4Y37A72483

Low-profile SAS RAID controller with eight internal connectors, 2GB cache, and PCIe 3.0 x8 interface supporting RAID 0, 1, 5, 6, 10, 50, 60

  • Form FactorLow Profile
  • TypeSAS
  • Internal Connectors8 x SAS
  • InterfacePCI-Express 3.0 x8
  • Cache Memory2GB
  • RAIDRAID 0/1/5/6/10/50/60
  • Supports RAID 0, 1, 5, 6, 10, 50, 60 for flexible data protection
  • 2 GB cache memory accelerates read and write performance
  • PCI-Express 3.0 x8 interface provides high bandwidth connectivity
  • Eight internal SAS connectors enable multiple drive configurations
  • Low-profile form factor fits space-constrained server chassis

Low-Profile SAS RAID Controller

The Lenovo ThinkSystem RAID 9350-8i is a low-profile PCI-Express 3.0 x8 adapter with 2GB flash-backed cache. It provides eight internal SAS connectors and supports RAID 0, 1, 5, 6, 10, 50 and 60 for server storage arrays.

Suited For Internal SAS Arrays

This card suits administrators building internal SAS drive arrays that require hardware RAID with flash cache protection. Builders who need more than eight internal ports, a different form factor or external connectivity should consider other options.

Eight Internal SAS Ports Decide Fit

The controller offers exactly eight internal SAS connectors on a low-profile bracket measuring 2.50" by 6.60". If the chassis or backplane requires a different port count or full-height bracket, this model will not fit.

Highlights

  • Supports RAID 0, 1, 5, 6, 10, 50, 60 for flexible data protection
  • 2 GB cache memory accelerates read and write performance
  • PCI-Express 3.0 x8 interface provides high bandwidth connectivity
  • Eight internal SAS connectors enable multiple drive configurations
  • Low-profile form factor fits space-constrained server chassis

Specifications

BrandLenovo
Model4Y37A72483
Form FactorLow Profile
TypeSAS
Internal Connectors8 x SAS
InterfacePCI-Express 3.0 x8
Cache Memory2GB
RAIDRAID 0/1/5/6/10/50/60
Dimensions2.50" x 6.60"
Shipping weight0.91 kg
Package size178 × 76 × 51 mm

Questions about this item

What cables or brackets are included with the 4Y37A72483 and what must be purchased separately?

The controller ships as a low-profile card with 8 internal SAS connectors; SAS cables, drive backplanes and any full-height bracket are not included and must be sourced separately.

Which RAID level should I select from the supported 0, 1, 5, 6, 10, 50, 60 for my workload?

Choose RAID 0 for maximum capacity and speed with no redundancy, RAID 1 for simple mirroring, RAID 5 or 6 for capacity-efficient parity protection, and RAID 10, 50 or 60 when you need both high performance and fault tolerance across larger drive counts.

How does the 12 Gb SAS interface and 2 GB cache affect real-world throughput in a PCIe 3.0 x8 slot?

The PCIe 3.0 x8 host link and 12 Gb SAS lanes provide ample bandwidth for eight drives, while the 2 GB flash-backed cache absorbs write bursts and accelerates rebuilds, letting sustained throughput approach the combined drive limits rather than the controller itself.

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