Replacement for A5840A: Drop-In Alternatives We Stock
Looking for a replacement for the A5840A (A5840A - HP 512MB Kit (2x256MB) PC133 133MHz ECC Registered High-Density CL2 278-Pin DIMM Memory for L-Class 9000 and A400/A500 Server)? 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 A5840A
| SKU | A5840A |
|---|---|
| Product | A5840A - HP 512MB Kit (2x256MB) PC133 133MHz ECC Registered High-Density CL2 278-Pin DIMM Memory for L-Class 9000 and A400/A500 Server |
| Current price | $147.86 |
| Stock status | In Stock |
| Detail page | View A5840A › |
Drop-in replacements for A5840A
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.
A5797A - HP 512MB Kit (2x256MB) PC133 133MHz ECC Registered High-Density CL2 278-Pin DIMM Memory for L-Class 9000 Server
SKU: A5797A
Price: $96.84
A3763A - HP 512MB Kit (2x256MB) PC133 133MHz ECC Registered 278-Pin High Density DIMM Memory for 9000 and N-Class Servers
SKU: A3763A
Price: $170.53
TS1GHP5798 - Transcend 1GB Kit (2 X 512MB) 133MHz PC133 ECC Registered High-Density 278-Pin System Specific DIMM Memory
SKU: TS1GHP5798
Price: $218.84
A5198AR - HP 2GB Kit (4 X 512MB) 133MHz PC133 ECC Registered High Density 278-Pin DIMM Memory
SKU: A5198AR
Price: $862.57
A8088BR - HP 2GB Kit (2 X 1GB) 133MHz PC133 ECC Registered High Density 278-Pin DIMM Memory
SKU: A8088BR
Price: $83.88
A5798A - HP 1GB Kit (2x512MB) PC133 133MHz ECC Registered High-Density 278-Pin System Specific DIMM Memory for 9000 A / L Class Servers
SKU: A5798A
Price: $97.14
A5198A - HP 2GB Kit (4x512MB) PC133 133MHz ECC Registered High Density 278-Pin DIMM Memory
SKU: A5198A
Price: $97.14
A6802A - HP 1GB Kit (4x256MB) PC133 133MHz ECC Registered High-Density 278-Pin SyncDRAM DIMM Memory for rp8420/rp7410/rx7620 Server
SKU: A6802A
Price: $127.16
AB309A - HP 8GB Kit (4x2GB) PC133 133MHz ECC Registered High-Density 278-Pin SyncDRAM DIMM Memory for rp8420/rp7410/rx7620 Server
SKU: AB309A
Price: $138.95
A6098A - HP 4GB Kit (4x1GB) PC133 133MHz ECC Registered CL3 High Density 278-Pin DIMM Memory for 9000 RP8420 / RP7410 Servers
SKU: A6098A
Price: $170.53
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.