Lenovo 4Y37A09728 is the exact ordering identifier covered here, in the ThinkSystem range. The reviewed specification records type: RAID controller; summary: RAID 940-8i; 4GB flash; PCIe Gen4; 12Gb; RAID 0/1/10/5/50/6/60; fits: ThinkSystem SR650 V4. Use this guide to decide what to include in a configuration request, rather than treating similar model numbers as interchangeable.
Specifications that define this model
The values below retain the source qualifiers. A missing field is not evidence that a capability is included or absent.
| Specification | Recorded value |
|---|---|
| Type | RAID controller |
| Summary | RAID 940-8i; 4GB flash; PCIe Gen4; 12Gb; RAID 0/1/10/5/50/6/60 |
| Fits | ThinkSystem SR650 V4 |
How to evaluate this exact configuration
Option category
Option category for 4Y37A09728: RAID controller. Identify the exact function before comparing ordering codes. Similar-looking accessories can occupy different positions or require different companion parts.
Configuration details
Configuration details for 4Y37A09728: RAID 940-8i; 4GB flash; PCIe Gen4; 12Gb; RAID 0/1/10/5/50/6/60. Carry these details into the bill of materials. Check brackets, slots, cables, cooling and companion parts against the platform configuration guide rather than assuming they are bundled.
Documented platform scope
Documented platform scope for 4Y37A09728: ThinkSystem SR650 V4. Check the precise generation and installed configuration. The named platform establishes the scope to investigate, not unconditional fitment in every chassis.
Compare nearby ordering codes
| Model | Summary | Type | Fits |
|---|---|---|---|
| 4Y37A09728 | RAID 940-8i; 4GB flash; PCIe Gen4; 12Gb; RAID 0/1/10/5/50/6/60 | RAID controller | ThinkSystem SR650 V4 |
| 4Y37A93012 | RAID 545-8i; PCIe Gen4; 12Gb SAS/SATA; RAID 0/1/10; no supercap | RAID controller | ThinkSystem SR650 V4 |
These are specification comparisons, not statements that the models are drop-in replacements. Compare the configuration limits before choosing an alternative.
4Y37A93012 manufacturer reference
Questions before you request a quote
Which product does 4Y37A09728 identify?
It identifies Lenovo ThinkSystem RAID 940-8i 4GB PCIe Gen4 12Gb adapter. Keep 4Y37A09728 on the requirement and quote; a family name alone does not fix the ordering configuration.
What compatibility scope is recorded for 4Y37A09728?
The recorded scope is ThinkSystem SR650 V4. Confirm the exact machine generation and configuration in the manufacturer guide; this is not a blanket compatibility promise.
What should I check before ordering 4Y37A09728?
Start with the specification and configuration checks above, then state the quantity, destination and intended connections or platform. Ask for the exact contents of the offered configuration and identify every proposed substitution separately.
Build a clear requirement
Specify 4Y37A09728, quantity and delivery country, then add the configuration information discussed above. Keep accessories and any accepted alternative as separate lines. Request current pricing and availability rather than relying on an article for live commercial information.
View the 4Y37A09728 product listing · Browse Lenovo server options · Request a quote
For the wider selection process, read the related buying guide.
Sources and scope
Document and identifier checks: 2026-10-17. Prepared from manufacturer documentation and the catalogue's recorded specifications; no hands-on benchmark is claimed. Confirm destination-specific options and configuration eligibility against the source documents. Prices, stock, delivery dates and coverage terms are not established by this guide.