The RAID 940 Series adapters all have a PCIe 4.0 host interface which doubles the bandwidth between the server and the adapter, compared to the previous generation RAID 930 adapters. This improves overall performance of the storage subsystem by supporting up to 3 million IOPS (JBOD mode) and up to 3 million IOPS in RAID (random reads).
RAID on Chip-based controllers such as the RAID 940 adapters have a dedicated processor that offloads all RAID functions from the server's CPU. With hardware acceleration for RAID 5 and 6 operations plus up to 8 GB dedicated memory for caching, the 940-8i, 16i and 32i offer the ultimate performance for ThinkSystem servers.
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Description
Product Features:
- PCIe 4.0 x8 host interface, also compatible with a PCIe 3.0 host interface
- 12 Gbps SAS/SATA RAID controllers, based on the Broadcom MegaRAID 9560 adapter family
- 4GB or 8GB of integrated flash-backed cache
- RAID 940-8i supports up to eight internal SAS or SATA drives
- Supported storage drive interfaces: SAS, Serial ATA
- Host interface: PCI Express x8
- RAID levels: 0, 1, 5, 6, 10, 50, 60, JBOD
- 12 Gbit/s
Lenovo 4Y37A09728 RAID controller PCI Express x8 4.0 12 Gbit/s
ThinkSystem RAID 940-8i 4GB Flash PCIe Gen4 12Gb Adapter
Lenovo 4Y37A09728, SAS, Serial ATA, PCI Express x8, 0, 1, 5, 6, 10, 50, 60, JBOD, 12 Gbit/s, Broadcom SAS3908
Lenovo 4Y37A09728. Supported storage drive interfaces: SAS, Serial ATA, Host interface: PCI Express x8. RAID levels: 0, 1, 5, 6, 10, 50, 60, JBOD, Data transfer rate: 12 Gbit/s, Chipset: Broadcom SAS3908
Specification
Ports & interfaces
Supported storage drive interfaces
SAS, Serial ATA
Host interface
PCI Express x8
PCI Express slots version
4.0
Internal SAS ports
8
Internal SATA ports quantity
8
Performance
RAID levels
0, 1, 5, 6, 10, 50, 60, JBOD
Data transfer rate
12 Gbit/s
Chipset
Broadcom SAS3908
JBOD function
S.M.A.R.T. support
Logistics data
Harmonized System (HS) code
84733080