Replacement for A89083-B21: Drop-In Alternatives We Stock
Looking for a replacement for the A89083-B21 (A89083-B21 - Compaq 4GB Kit (4 X 1GB) 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM Dual Rank Memory)? Pro Disk Network ships 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 A89083-B21
| SKU | A89083-B21 |
|---|---|
| Product | A89083-B21 - Compaq 4GB Kit (4 X 1GB) 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM Dual Rank Memory |
| Current price | $210.09 |
| Stock status | In Stock |
| Detail page | View A89083-B21 › |
Drop-in replacements for A89083-B21
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.
A89081-B21 - Compaq 1GB Kit (4 X 256MB) 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM Memory
SKU: A89081-B21
Price: $77.03
A89082-B21 - Compaq 2GB Kit (4 X 512MB) 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM Memory
SKU: A89082-B21
Price: $147.05
328808-B21 - Compaq 1GB Kit (2 X 512MB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: 328808-B21
Price: $71.58
189081-B21 - Compaq 1GB Kit (4 x 256MB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory for ProLiant ML570 / DL580
SKU: 189081-B21
Price: $71.58
189080-B21 - Compaq 512MB Kit (4 X 128MB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: 189080-B21
Price: $308.76
192014-00100 - Compaq 512MB Kit (4 X 128MB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: 192014-00100
Price: $308.76
388261-B21 - Compaq 512MB Kit (4 X 128MB) 100MHz PC100 ECC Registered CL2 168-Pin SDRAM DIMM Memory
SKU: 388261-B21
Price: $308.76
328807-B21 - Compaq 512MB Kit (2 X 256MB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: 328807-B21
Price: $564.83
232309-B21 - HP 4GB Kit (4 X 1GB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM 3.3V Memory
SKU: 232309-B21
Price: $315.88
KTHRXI4G - Kingston 4GB Kit (4 X 1GB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: KTHRXI4G
Price: $1,264.39
Kingston KTC-PRL100/4096 4GB Kit (4 X 1GB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: KTC-PRL100-4096
Price: $1,264.39
KFJT8504G - Kingston 4GB Kit (4 X 1GB) 100MHz PC100 ECC Registered CL2 168-Pin DIMM Memory
SKU: KFJT8504G
Price: $1,264.39
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.