Replacement for E2Q91ATR: Drop-In Alternatives We Stock
Looking for a replacement for the E2Q91ATR (E2Q91ATR - HP 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM Dual-Rank Memory Module)? Pro Disk Network ships HP drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the E2Q91ATR
| SKU | E2Q91ATR |
|---|---|
| Product | E2Q91ATR - HP 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM Dual-Rank Memory Module |
| Current price | $138.82 |
| Stock status | In Stock |
| Detail page | View E2Q91ATR › |
Drop-in replacements for E2Q91ATR
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
E2Q91AAR - HP 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM Dual-Rank Memory Module
SKU: E2Q91AAR
Price: $138.82
712570-001 - HP 4GB PC3-14900 DDR3-1866Mhz ECC Unbuffered CL13 UDIMM Dual-Rank Memory
SKU: 712570-001
Price: $138.82
708633R-B21 - HP 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM 256Mx8 Dual-Rank Memory Module
SKU: 708633R-B21
Price: $138.82
E2Q91A6 - HP 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM Dual-Rank Memory Module
SKU: E2Q91A6
Price: $138.82
E2Q91A6R - HP 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM Dual-Rank Memory Module
SKU: E2Q91A6R
Price: $138.82
HP 708633R-B21#0D1 4GB PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM Dual-Rank Memory Module
SKU: 708633R-B21-0D1
Price: $138.82
F2G28AV - HP 8GB Kit (2 X 4GB) PC3-14900 DDR3-1866MHz non-ECC Unbuffered CL13 UDIMM Dual-Rank Memory
SKU: F2G28AV
Price: $194.76
F3T32AV - HP 8GB Kit (2 X 4GB) PC3-14900 DDR3-1866MHz non-ECC Unbuffered CL13 UDIMM Dual-Rank Memory
SKU: F3T32AV
Price: $194.76
E5V97AV - HP 8GB Kit (2 X 4GB) PC3-14900 DDR3-1866MHz ECC Unbuffered CL13 UDIMM 256Mx8 Dual-Rank Memory
SKU: E5V97AV
Price: $263.76
E1J56AV - HP 16GB Kit (4 X 4GB) PC3-14900 DDR3-1866MHz non-ECC Unbuffered CL13 UDIMM Dual-Rank Memory
SKU: E1J56AV
Price: $379.25
F2G29AV - HP 16GB Kit (4 X 4GB) PC3-14900 DDR3-1866MHz non-ECC Unbuffered CL13 UDIMM Dual-Rank Memory
SKU: F2G29AV
Price: $379.25
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.