Alternative to PCI1S550: Better-Value Equivalents in Stock
Comparing the PCI1S550 (PCI1S550 - StarTech 1-Port PCI Express Serial Adapter with 16950 UART) 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 PCI1S550
| SKU | PCI1S550 |
|---|---|
| Product | PCI1S550 - StarTech 1-Port PCI Express Serial Adapter with 16950 UART |
| Current price | $157.07 |
| Stock status | In Stock |
| Detail page | View PCI1S550 › |
Alternatives to PCI1S550
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.
PEX2S952 - StarTech 2-Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
SKU: PEX2S952
Price: $54.74
PEX1S952 - StarTech 1-Port Native PCI Express Serial Adapter with 16950 UART
SKU: PEX1S952
Price: $160.54
PCI2S950DV - StarTech OneConnect 2 Port DB9 SER PCI RS-232 16950 DUAL Profile Serial Adapter Card
SKU: PCI2S950DV
Price: $205.26
ST2000PEXPSE - StarTech OneConnect Dual-Port PCI Express Gigabit Ethernet PCI Express Network Card Adapter - POE/PSE - Network Adapter
SKU: ST2000PEXPSE
Price: $263.16
3TK82AA - HP Serial Port (600/705/800) Serial for Computer, Notebook 1 x DB-9 Male Serial 1 x Serial Header
SKU: 3tk82aa
Price: $143.39
2255900-R - Adaptec 1220SA 2 Port Serial ATA RAID Controller - PCI Express x1 - Up to 300MBps - 2 x 7-pin Serial ATA/300 - Serial ATA Internal
SKU: 2255900-R
Price: $205.26
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
2241000-R - Adaptec 1430SA 4 Port Serial ATA RAID Controller - Up to 300MBps Per Port - 4 x 7-pin Serial ATA/300 - Serial ATA Internal
SKU: 2241000-R
Price: $298.25
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.