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39M5785 — IBM 2GB 2x1gb Pc2-5300f ECC Kit

✓ Government record, cited
IBM · MEMORY · RDIMM
PRODUCT OVERVIEW
IBM 2GB 2X1GB PC2-5300F ECC KIT

39M5785: IBM 2GB 2x1gb Pc2-5300f ECC Kit.

2GB (2x1GB) PC2-5300, CL5, ECC, DDR2, Chipkill FB-DIMM, 667MHz. This part is cataloged in the U.S. Government catalog under NSN 7025-01-565-4063, 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
MEMORY→ RDIMM→ 39M5785
NSN: 7025-01-565-4063
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 1U0E6 — IBM (USA)
SPECIFICATIONS
Part Number39M5785
ManufacturerIBM
Capacity2GB
NSN7025-01-565-4063
COMPONENT DIAGRAM
ECC 2GB 2Rx4 PC4 — RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 2GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 39M5785 MFR IBM 2GB —
KEY FEATURES
•
2GB Capacity
•
DESIGN TYPE: HARD DISK
•
DRIVE QUANTITY: 2
•
DRIVE SIZE: 5.25
•
DATA STORAGE CAPACITY: 2.00 GIGABYTES
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT5.250 INCHES NOMINAL IN
DESIGN TYPEHARD DISK
DRIVE QUANTITY2
DRIVE SIZE5.25
OVERALL WIDTH1.191 INCHES NOMINAL IN
SPECIAL FEATURESHIGH QUALITY DDR2-677 SERVER MEMORY UPGRADE FOR IBM SYSTEM X3400, X3450,X3500,X3550 AND X3650 SERVERS
END ITEM IDENTIFICATIONSERVER 7979A2G
DATA STORAGE CAPACITY2.00 GIGABYTES
UNIT DESIGNINTERNAL
OTHER ITEMS IN FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681 7025-00-001-5588 7025-00-001-6998 7025-00-001-6999 7025-00-001-7000 7025-00-001-7025 7025-00-001-7026 7025-00-001-7027
SUBSTITUTES & CROSS-REFERENCES 3
38L5903SubstituteBROKER-VERIFIED
IBM 1 GB Pc2-5300 Cl5 ECC Ddr2
substitute
HYS72T128420HFD3SASubstituteBROKER-VERIFIED
IBM 1 GB Pc2-5300 Cl5 ECC Ddr2
substitute
39M5784SubstituteBROKER-VERIFIED
IBM 1 GB Pc2-5300 Cl5 ECC Ddr2
substitute
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 2
38L5903SUBSTITUTE
IBM 2Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 (2x1Gb) Memory Kit for M1/HS21 - Option
IBM
39M5784SUBSTITUTE
IBM 2Gb PC2-5300F 667Mhz ECC FBD DR x8 CL5 (2x1Gb) Memory Kit for M1/HS21 - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 39M5785?
39M5785 is a IBM 2GB 2x1gb Pc2-5300f ECC Kit manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 39M5785?
There are 3 known substitutes for 39M5785: 38L5903, HYS72T128420HFD3SA, 39M5784. Substitute compatibility should be verified for your specific system.
What is the NSN for 39M5785?
39M5785 is cataloged in the U.S. Government catalog under NSN 7025-01-565-4063. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.