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Technical Data Sheet

E2Q91AA — HP 4GB (1x4GB) DDR3-1866 MHz ECC RAM

HPE · DIMM

PRODUCT OVERVIEW

E2Q91AA: HP 4GB (1x4GB) DDR3-1866 MHz ECC RAM.

Boost the capabilities of your HP Workstation and newest multi-core processors. Choose ultra-fast 2 GB, 4 GB, 8 GB, or 16 GB 1866 MHz DDR3 memory from HP, a cost-effective way to improve system performance and application responsiveness. - Keep the newest multi-core processors performing at their peak.

Improve start-up times with fewer delays during routine operations, run more programs simultaneously, and easily toggle between several open applications. - Help avoid errors that can corrupt data sets and introduce system issues with Error Correcting and Checking technology that corrects single-bit memory errors. - Ensure all of your memory characteristics match by upgrading with HP-branded memory that’s tested to work seamlessly with HP products.

- Protect your investment with a warranty that is backed the same award-winning HP service and support you get for your workstation.

SPECIFICATIONS

Part Number	E2Q91AA
Manufacturer	HPE
Interface	DDR3
Capacity	4GB
Speed	1866MHz

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COMPONENT DIAGRAM

KEY FEATURES

•

DDR3 Interface

•

4GB Capacity

•

1866MHz 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

SUBSTITUTES & CROSS-REFERENCES 3

733483-001CompatiblePARTNER

HP 4Gb PC3-14900E 1866Mhz ECC UB DR x8 CAS-13 (256Mx8) DIMM - Intel - WS

compatible

712287-571CompatiblePARTNER

HP 4Gb PC3-14900E 1866Mhz ECC UB DR x8 CAS-13 (256Mx8) DIMM - Intel - WS

compatible

733036-581CompatiblePARTNER

HP 4Gb PC3-14900E 1866Mhz ECC UB SR x8 CAS-13 (512Mx8) DIMM - Intel - WS

compatible

LIFECYCLE

Manufacturer release date (catalog record)2013-10-01

THIS PART SUBSTITUTES FOR 3

712287-571SUBSTITUTE

HP 4Gb PC3-14900E 1866Mhz ECC UB DR x8 CAS-13 DIMM - Intel - WS

HP

733036-581SUBSTITUTE

HP 4Gb PC3-14900E 1866Mhz ECC UB DR x8 CAS-13 DIMM - Intel - WS

HP

733483-001SUBSTITUTE

HP 4Gb PC3-14900E 1866Mhz ECC UB DR x8 CAS-13 DIMM - Intel - WS

HP

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FREQUENTLY ASKED QUESTIONS

What is E2Q91AA?

E2Q91AA is a HP 4GB (1x4GB) DDR3-1866 MHz ECC RAM manufactured by HPE.

What parts can replace E2Q91AA?

There are 3 known substitutes for E2Q91AA: 733483-001, 712287-571, 733036-581. Substitute compatibility should be verified for your specific system.

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