IBM 00LY336 387GB 12G SAS 2.5" SFF SSD ST400FM0243 Enterprise Server Drive
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Fully Tested | 387GB | SAS 12Gb/s | 2.5-Inch SFF | SSD | IBM P/N: 00LY336 | Model: ST400FM0243
Designed for supported IBM server and storage systems that accept 2.5" SFF SAS solid state drives. Source listings consistently tie IBM part number 00LY336 to a 387GB 12Gb/s SAS 2.5-inch SSD, while IBM documentation also maps FRU 00LY336 to model ST400FM0243.
Avoid compatibility mistakes and downtime. This exact IBM enterprise 2.5" SAS SSD is sold as Refurbished, professionally tested, and identified by the correct IBM part number 00LY336 and model ST400FM0243 so you can validate fitment before deployment and order with confidence. IBM-focused reseller listings describe it as a 387GB enterprise SSD, while Seagate listings for the underlying ST400FM0243 commonly describe the base drive as 400GB, which is typical for OEM-formatted enterprise media.
Built for business and datacenter environments, this 12G SAS SFF SSD is a practical choice for server replacements, storage upgrades, RAID environments, hot spares, and enterprise inventory stocking where matching interface, form factor, and part number matters.
Testing / Functional Status (Fully Tested)
This drive is fully tested and verified for proper operation prior to shipment. Our goal is simple: deliver a reliable enterprise SSD that is ready for installation and backed by the protections associated with the Refurbished program.
Typical validation includes:
Power-on / initialization verification
Functional read/write testing
SAS interface detection and stability confirmation
Capacity recognition confirmation
Interface, Compatibility & Downtime Risk (Read This)
Interface: SAS 12Gb/s (Serial Attached SCSI)
Form Factor: 2.5-inch SFF enterprise SSD
Capacity: 387GB OEM formatted capacity
Model: ST400FM0243
Important: This is a SAS drive, not SATA. A SATA-only backplane/controller will not accept a SAS drive.
IBM-oriented sources identify 00LY336 as a 387GB 4K-block-size SAS SSD, while Seagate sources identify ST400FM0243 as a 400GB 12Gb/s 2.5-inch SAS SSD. In practice, that means part-number matching matters more than the rounded marketing capacity when you are buying for IBM enterprise environments.
For server installs, confirm controller/backplane compatibility, firmware expectations, and whether you need a specific tray, caddy, or carrier for your chassis.
If you’re replacing an existing drive, matching the IBM part number 00LY336 helps reduce ordering errors and speeds approval for production installs.
Specifications
Brand: IBM
Capacity: 387GB
Form Factor: 2.5" SFF
Interface: SAS 12Gb/s
Drive Type: Enterprise Solid State Drive (SSD)
Model: ST400FM0243
IBM Part Number: 00LY336
Likely NAND Type: Enterprise MLC / eMLC
Use Case: Servers, RAID arrays, hot spares, enterprise storage environments
The 2.5-inch form factor, SAS-3 / 12Gb/s interface, and 387GB IBM OEM capacity are consistently supported across IBM reseller references, and Seagate listings for ST400FM0243 describe it as part of the 1200.2 / Nytro 400GB SAS SSD family.
Compatibility
Compatible with systems that support 2.5" SFF SAS 12Gb/s solid state drives, including many IBM server and storage configurations using SAS controllers/backplanes. IBM-focused listings also indicate this part is associated with 4K-formatted enterprise environments, so buyers should verify firmware and platform requirements before ordering.
Please verify:
SAS controller/backplane support requirements for your server model
Any firmware / RAID compatibility requirements for your environment
Whether your deployment expects the IBM 387GB OEM format versus generic 400GB base-drive labeling
Why Buy Refurbished
This item is offered through the Refurbished program from a quality-vetted seller. Refurbished listings include free shipping, 30-day free returns, an Allstate-serviced warranty, and Money Back Guarantee. That gives you two layers of protection: warranty coverage and transaction protection.
Warranty Note (Important)
If your listing is in the Certified Refurbished tier, the included Allstate-serviced warranty is two years.
If it is listed under Excellent / Very Good / Good, the included warranty is one year.
Use the warranty length that matches your specific refurb tier.
What’s Included
IBM 387GB 2.5" SFF SAS 12Gb/s Enterprise SSD
Model: ST400FM0243
IBM Part Number: 00LY336
Only the item shown in the photos is included unless otherwise stated. For server parts, please review photos to confirm whether any tray, caddy, or bracket is included.
Buy with confidence from an Refurbished seller offering free shipping, tested enterprise hardware, and verified IBM part-number identification—a dependable replacement option for supported IBM SAS server and storage environments.
