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A0R57A — Memory Specs & Substitutes

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HP · DIMM
WHAT YOU NEED TO KNOW
2Rx4 = Dual Rank ×4 chip width (standard server) RDIMM = Registered (servers) | LRDIMM = Load-Reduced (max density)
DDR3 ≠ DDR4 ≠ DDR5 — physically incompatible (notch position)
PRODUCT OVERVIEW

HP 4GB DDR3 1333MHz memory module 1 x 4 GB. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A0R57A
SPECIFICATIONS
Part NumberA0R57A
ManufacturerHP
InterfaceDDR3
Capacity4GB
Speed1333MHz
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC3 1333MHz RDIMM HP NOTCH ~133.35 mm DDR3 RDIMM | 4GB | 1333MHz | PC3 Notch position = DDR3 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR3 RDIMM PN A0R57A MFR HP 4GB 1333MHz
KEY FEATURES
•
DDR3 Interface
•
4GB Capacity
•
1333MHz Speed
•
DDR3 Memory
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
604504-B21Compatible
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
compatible
606426-001Compatible
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
compatible
605312-071Compatible
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
compatible
616685-B21Compatible
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
compatible
616724-071Compatible
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
compatible
617677-001Compatible
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 6
604504-B21SUBSTITUTE
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
HPE
605312-071SUBSTITUTE
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
HPE
606426-001SUBSTITUTE
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
HPE
616685-B21SUBSTITUTE
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
HPE
616724-071SUBSTITUTE
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
HPE
617677-001SUBSTITUTE
HP 4Gb PC3L-10600R 1333Mhz ECC REG SR x4 CAS-9 LV DIMM - Intel
HPE
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FREQUENTLY ASKED QUESTIONS
What is A0R57A?
A0R57A is a HP 4GB DDR3 1333MHz memory module 1 x 4 GB manufactured by HP.
What parts can replace A0R57A?
There are 6 known substitutes for A0R57A: 604504-B21, 606426-001, 605312-071 and 3 more. Substitute compatibility should be verified for your specific system.
Is A0R57A still available?
A0R57A is currently Unknown.
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PartsTable Design LLC · partstable.com
Last verified: August 2026