Replacement for 256A8N505A1: Drop-In Alternatives We Stock
Looking for a replacement for the 256A8N505A1 (256A8N505A1 - EVGA Nvidia GeForce 7800 GS 256MB GDDR3 256-Bit AGP 4X/8X DVI/ S-Video Out Video Graphics Card)? Pro Disk Network ships NVIDIA 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 256A8N505A1
| SKU | 256A8N505A1 |
|---|---|
| Product | 256A8N505A1 - EVGA Nvidia GeForce 7800 GS 256MB GDDR3 256-Bit AGP 4X/8X DVI/ S-Video Out Video Graphics Card |
| Current price | $403.92 |
| Stock status | In Stock |
| Detail page | View 256A8N505A1 › |
Drop-in replacements for 256A8N505A1
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.
256-A8-N505 - EVGA Nvidia GeForce 7800 GS 256MB GDDR3 256-Bit AGP 4X/8X DVI/ S-Video Out Video Graphics Card
SKU: 256-A8-N505
Price: $403.92
BFGR78256GSOC - BFG Nvidia GeForce 7800 GS 256MB GDDR3 256-Bit AGP 8x Video Graphics Card
SKU: BFGR78256GSOC
Price: $590.09
256-A8-N505-RX - EVGA Nvidia GeForce 7800GS 7800 GS 256MB DDR3 DVI/ VGA AGP Video Graphics Card
SKU: 256-A8-N505-RX
Price: $403.92
256-A8-N312-AX - EVGA Nvidia Geforce FX 5600 256MB DDR 128-Bit AGP 4X/8X Video Graphics Card
SKU: 256-A8-N312-AX
Price: $279.36
256-A8-N506-BX - Nvidia GeForce GF-7800-A2 128MB DVI/ VGA AGP Video Graphics Card
SKU: 256-A8-N506-BX
Price: $327.43
512-A8-N403-LR - EVGA Nvidia e-GeForce 6200 AGP 512MB GDDR2 64-Bit AGP 4x/8x Video Graphics Card
SKU: 512-A8-N403-LR
Price: $281.68
256-P2-N563-AX - EVGA Nvidia Geforce 7900GT 256MB GDDR3 256-Bit PCI Express x16 SLI Supported Video Graphics Card
SKU: 256-P2-N563-AX
Price: $288.68
256-P2-N564-AX - EVGA Nvidia Geforce 7900 GT 256MB GDDR3 256-Bit SLI Supported PCI Express x16 Video Graphics Card
SKU: 256-P2-N564-AX
Price: $317.50
256-P2-N376-AX - EVGA Nvidia Geforce 6800 GT 256MB GDDR3 256-Bit PCI Express x16 Dual SVI/ S-Video Out/ SLI Support Video Graphics Card
SKU: 256-P2-N376-AX
Price: $337.09
256-P2-N528-AX - EVGA Nvidia Geforce 7800GTX 256MB GDDR3 256-Bit PCI Express x16 Dual DVI/ HDTV/ S-Video Out/ SLI Support Video Graphics Card
SKU: 256-P2-N528-AX
Price: $384.87
BFGR68256GTOC - Nvidia Geforce 6800 GT 256MB 256-Bit GDDR3 AGP 4X/8X Video Graphics Card
SKU: BFGR68256GTOC
Price: $310.63
P8685-69001 - HP Nvidia Geforce FX5900 256MB DDR AGP 8x 256-Bit DVI VGA TV Out Video Graphics Card
SKU: P8685-69001
Price: $545.51
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.