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Technical Data Sheet
PartsTable / CONTROLLER / X157
X157 ✓ Verified by PartsTable
— · CONTROLLER · RAID_HBA
WHAT YOU NEED TO KNOW
RAID HBAs — always confirm bracket height (full or half). Ship unlocked with test reports. Our edge: we can verify specific firmware versions. Key checks: Ship with test reports. Ship UNLOCKED.
Firmware must match server
PRODUCT OVERVIEW

IBM PCI-X 1.5GB Quad-Channel U320 SCSI RAID Adapter. Key specifications include length: 40.000 INCHES NOMINAL IN, material: RUBBER BUTADIENE-STYRENE CLASS SBR, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 2A A, overall_width: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4030-00-352-6174, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
CONTROLLER→ RAID_HBA→ X157
NSN: 4030-00-352-6174
FSC: 4030
CAGE: 20874 — ERIE STRAYER CO (USA)
SPECIFICATIONS
length40.000 INCHES NOMINAL IN
materialRUBBER BUTADIENE-STYRENE CLASS SBR
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
overall_width0.250 INCHES NOMINAL IN
thread_length1.000 INCHES MINIMUM IN
overall_height0.625 INCHES NOMINAL IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
special_featuresCOLOR,BLACK
thread_directionRIGHT-HAND
NSN4030-00-352-6174
COMPONENT DIAGRAM
RAID ASIC CACHE FBWC SAS 0 SAS 1 SAS 2 SAS 3 BATT EXT 0 EXT 1 PCIe x8 ~187 mm STORAGE CONTROLLER | RAID 0,1,5,6,10 | PCIe SAS/SATA | FBWC cache | Battery backup connector | TITLE RAID CTRL PN X157 MFR OEM IBM PCI-X 1.5GB Quad-Channel U320 SCSI R
KEY FEATURES
•
1.5GB Capacity
TYPICAL APPLICATIONS
  • Hardware RAID acceleration for enterprise storage
  • Data protection and parity management
  • Cache-backed write acceleration
  • Storage tiering and SSD caching
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
0903631Interchangeable
interchangeable cross-reference
interchangeable
Q1804Interchangeable
interchangeable cross-reference
interchangeable
213733Interchangeable
interchangeable cross-reference
interchangeable
AA4920-8503-2938Interchangeable
interchangeable cross-reference
interchangeable
2938Interchangeable
interchangeable cross-reference
interchangeable
MILT40136Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X157?
X157 is a IBM PCI-X 1.5GB Quad-Channel U320 SCSI RAID Adapter. It is classified as a CONTROLLER (RAID_HBA).
What parts can replace X157?
There are 18 known substitutes for X157: 0903631, Q1804, 213733 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X157?
X157 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4030-00-352-6174. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026