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Lenovo ThinkSystem RAID 930‑16i 8GB Flash PCIe 12Gbps Adapter (4Y37A09721)
Keywords
lenovo raid 930-16i, 4y37a09721, 12gbps sas, 8gb flash cache, pci-e 3.0 x8, raid 0 1 5 6 10 50 60, sas sata controller, enterprise raid controller
Description
The Lenovo ThinkSystem RAID 930‑16i (PN 4Y37A09721) is a powerful enterprise-grade RAID controller designed for demanding storage environments. Featuring a PCIe 3.0 x8 host interface and 16 internal SAS ports at 12 Gbps, it handles mixed HDD and SSD configurations with ease.
Equipped with 8 GB flash-backed cache for data protection and MegaRAID FastPath acceleration, the adapter ensures high IOPS and reliability. It supports robust RAID levels: 0, 1, 5, 6, 10, 50 and 60, plus JBOD for flexible storage configurations.
Ideal for use in Lenovo ThinkSystem servers like the SR series, this controller offers advanced RAS features—CacheVault protection, Auto-resume, Online Capacity Expansion, and wide OS support including Windows Server, Linux, and VMware ESXi.
Key Features
- PCIe 3.0 x8 host interface with 12 Gbps SAS/SATA support
- 16 internal Mini‑SAS HD ports (4× SFF‑8643)
- Supports RAID 0/1/5/6/10/50/60 + JBOD
- 8 GB flash‑backed cache with CacheVault protection and MegaRAID FastPath
- Enterprise-grade RAS: Auto‑resume, online capacity expansion & RAID migration
- Supports up to 64 virtual disks and logical volumes over 2 TB
- Wide OS compatibility: Windows Server, RHEL, SLES, VMware, etc.
Configuration
| Attribute | Specification |
|---|---|
| Model / PN | RAID 930‑16i / 4Y37A09721 |
| Host Interface | PCIe 3.0 x8 |
| SAS Ports | 16 × 12 Gbps (4× Mini‑SAS HD) |
| Cache | 8 GB Flash‑backed |
| RAID Levels | 0, 1, 5, 6, 10, 50, 60 + JBOD |
| Controller Chip | Broadcom/LSI SAS3516 (MegaRAID 9460 family) |
| Max Devices | 16 internal drives, up to 64 virtual drives |
| Form Factor | Low-profile plug-in card |
Compatibility
Compatible with Lenovo ThinkSystem servers, including SR250, SR530, SR550, SR570, SR590, SR630, SR650, SR850, SR860, SR950, and others. It integrates smoothly into enterprise environments needing flexible SAS/SATA storage topology.
Usage Scenarios
The Lenovo RAID 930‑16i is perfect for mission-critical applications like large relational databases, virtualization clusters, and OLTP workloads that demand both throughput and resilience.
Its combination of high port count, flash‑backed cache, and advanced RAS features makes it suitable for data centers requiring on-the-fly capacity upgrades and minimal downtime during rebuilds or migrations.
Useful in mixed HDD/SSD environments, this controller supports comprehensive RAID configurations and JBOD, enabling tiered storage, data archival, and analytics pipelines.
Frequently Asked Questions
- What does PN 4Y37A09721 signify?
It's Lenovo's part number identifying the RAID 930‑16i model with 8 GB cache. - Can I mix SSDs and HDDs on this controller?
Yes, but not in the same RAID group—ensure mixed drive types are in separate arrays. - Is firmware update supported?
Yes—it’s managed via Lenovo XClarity Controller/UEFI or StorCLI; update guides available on. - Does the flash‑backed cache protect data during power loss?
Absolutely—cache contents are saved to NAND with CacheVault; data is restored after reboot.
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