Replacement for 854594-S21: Drop-In Alternatives We Stock
Looking for a replacement for the 854594-S21 (854594-S21 - HP 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Single-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 854594-S21
| SKU | 854594-S21 |
|---|---|
| Product | 854594-S21 - HP 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Single-Rank Memory Module |
| Current price | $159.72 |
| Stock status | In Stock |
| Detail page | View 854594-S21 › |
Drop-in replacements for 854594-S21
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.
854594-B21 - HP 16GB DDR4-2400MHz PC4-19200 ECC Registered CL17 288-Pin DIMM 1.2V Single Rank Memory Module
SKU: 854594-B21
Price: $189.47
805358R-B21 - HP 64GB PC4-19200 DDR4-2400Mhz ECC Registered CL17 RDIMM 1.2V LR RDIMM Memory
SKU: 805358R-B21
Price: $984.59
805350-B21 - HPE 16GB DDR4-2400MHz PC4-19200 ECC Registered CL17 288-Pin RDIMM 1.2V Single Rank Memory Module
SKU: 805350-B21
Price: $159.72
887452-181 - HPE 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM Single-Rank Memory Module
SKU: 887452-181
Price: $159.72
869071-B21 - HP 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM Memory Module
SKU: 869071-B21
Price: $159.72
819411-001B - HP 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Single-Rank Memory Module
SKU: 819411-001B
Price: $159.72
882232-001 - HPE 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Single-Rank Memory Module
SKU: 882232-001
Price: $159.72
869365-001 - HP 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Single-Rank Memory Module
SKU: 869365-001
Price: $159.72
805349R-B21 - HP 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Single-Rank Memory Module
SKU: 805349R-B21
Price: $159.72
809087-081 - HPE 16GB PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Dual-Rank Memory Module
SKU: 809087-081
Price: $165.87
Z5H73AV - HP 64GB Kit (4 x 16GB) PC4-19200 DDR4-2400MHz ECC Registered CL17 RDIMM 1.2V Dual-Rank Memory
SKU: Z5H73AV
Price: $195.63
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.