Replacement for J9721: Drop-In Alternatives We Stock
Looking for a replacement for the J9721 (J9721 - Dell System Board (Motherboard) Socket 604 for PowerEdge 1855 Blade Server)? Pro Disk Network ships Dell 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 J9721
| SKU | J9721 |
|---|---|
| Product | J9721 - Dell System Board (Motherboard) Socket 604 for PowerEdge 1855 Blade Server |
| Current price | $205.26 |
| Stock status | In Stock |
| Detail page | View J9721 › |
Drop-in replacements for J9721
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.
0J9721 - Dell System Board (Motherboard) Socket 604 for PowerEdge 1855 Blade Server
SKU: 0J9721
Price: $205.26
MD935 - Dell Dual Xeon System Board, Socket 604, 800MHz FSB, 6 DIMM Slots for PowerEdge 1855 Server
SKU: MD935
Price: $187.37
0MD935 - Dell Dual Xeon System Board, Socket 604, 800MHz FSB, 6 DIMM Slots for PowerEdge 1855 Server
SKU: 0MD935
Price: $189.47
CF842 - Dell 2.8GHz 2MB L2 Cache 800MHz FSB Socket 604-Pin Intel Xeon Processor for PowerEdge 1800 1850 1855 2800 2850 SC1420 SC1425 Seri
SKU: CF842
Price: $84.36
0CF842 - Dell 2.8GHz 2MB L2 Cache 800MHz FSB Socket 604-Pin Intel Xeon Processor for PowerEdge 1800 1850 1855 2800 2850 SC1420 SC1425 Seri
SKU: 0CF842
Price: $84.36
N2195 - Dell 2.8GHz 1MB L2 Cache 800MHz FSB 604-Pin Micro-FCPGA Socket Intel Xeon Processor for PowerEdge 1850 1855 2800 2850 Server
SKU: N2195
Price: $99.45
0N2195 - Dell 2.8GHz 1MB L2 Cache 800MHz FSB 604-Pin Micro-FCPGA Socket Intel Xeon Processor for PowerEdge 1850 1855 2800 2850 Server
SKU: 0N2195
Price: $99.45
H8432 - Dell 3.6GHz 1MB L2 Cache 800MHz FSB 604-Pin Micro-FCPGA Socket 90NM Intel Xeon Processor for PowerEdge 1850/ 1855/2800/2850 /SC14
SKU: H8432
Price: $105.17
0H8432 - Dell 3.6GHz 1MB L2 Cache 800MHz FSB 604-Pin Micro-FCPGA Socket 90NM Intel Xeon Processor for PowerEdge 1850/ 1855/2800/2850 /SC14
SKU: 0H8432
Price: $105.17
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.