Alternative to ASR51645: Better-Value Equivalents in Stock
Comparing the ASR51645 (ASR51645 - Adaptec 20-Port Battery 8-lane PCIe SAS SATA RAID Controller card) against alternatives? Pro Disk Network stocks 12 similar parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the ASR51645
| SKU | ASR51645 |
|---|---|
| Product | ASR51645 - Adaptec 20-Port Battery 8-lane PCIe SAS SATA RAID Controller card |
| Current price | $344.33 |
| Stock status | In Stock |
| Detail page | View ASR51645 › |
Alternatives to ASR51645
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.
2268200-R - Adaptec 51245 16-port SAS RAID Controller Serial Attached SCSI (SAS) Serial ATA/300 PCI Express x8 Plug-in Card RAID Supported 0 1 1E 5
SKU: 2268200-R
Price: $1,398.91
2015000EU-R - Adaptec 1210SA 2-Port Serial ATA RAID Controller - Up to 150MBps Per Port - 2 x 7-pin SATA Serial ATA/150 - Serial ATA Internal
SKU: 2015000EU-R
Price: $271.20
2169400-R - Adaptec 2420SA 4 Port Serial ATA II RAID Controller - Up to 300MBps Per Port - 4 x 7-pin SATA Serial ATA/300 - Serial ATA Internal
SKU: 2169400-R
Price: $345.08
2169900-R - Adaptec 2820SA 8-Port Serial ATA II RAID Controller - Up to 300MBps Per Port - 8 x 7-pin SATA Serial ATA/300 - Serial ATA Internal
SKU: 2169900-R
Price: $876.22
2170000-R - Adaptec 2820SA 8-Port Serial ATA II RAID Controller - Up to 300MBps Per Port - 8 x 7-pin SATA Serial ATA/300 - Serial ATA Internal
SKU: 2170000-R
Price: $876.22
2260200-R - Adaptec 2405 4-Port SATA-300/SAS PCI-E x8 Low-Profile RAID Storage Controller
SKU: 2260200-R
Price: $344.33
2274200-R - Adaptec ASR-7805 Kit 6Gb/s 8INT Port PCI Express 3.0 X8 SAS/SATA RAID Controller
SKU: 2274200-R
Price: $357.09
2258200-R - Adaptec 5405 4-Port SAS / SATA 256MB DDR2 PCI-Express x8 RAID Controller
SKU: 2258200-R
Price: $461.84
2260300-R - Adaptec 2045 4 Port SATA/SAS PCI Express 8X 128MB DDR2 Cache RAID Controller Card
SKU: 2260300-R
Price: $485.53
ASR-2045 - Adaptec 2045 4 Port SATA/SAS PCI Express 8X 128MB DDR2 Cache RAID Controller Card
SKU: ASR-2045
Price: $485.53
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.