Alternative to TD91Q011: Better-Value Equivalents in Stock
Comparing the TD91Q011 (TD91Q011 - Quantum 9.1GB 7200RPM Ultra SCSI 3.5-inch Hard Drive) 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 TD91Q011
| SKU | TD91Q011 |
|---|---|
| Product | TD91Q011 - Quantum 9.1GB 7200RPM Ultra SCSI 3.5-inch Hard Drive |
| Current price | $214.47 |
| Stock status | In Stock |
| Detail page | View TD91Q011 › |
Alternatives to TD91Q011
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.
989000-R - Adaptec AHA-2940 Ultra SCSI Controller - 20MBps - 1 x 50-pin HD-50 Ultra SCSI - SCSI External 1 x 50-pin IDC Ultra SCSI - SCSI Internal
SKU: 989000-R
Price: $155.99
AHA2940ULTRAKIT - Adaptec 2940 Ultra Host Adapter - Up to 20MBps - 1 x 50-pin HD Ultra SCSI - SCSI External 1 x 50-pin Ultra SCSI - SCSI Internal
SKU: AHA2940ULTRAKIT
Price: $109.09
1822200 - Adaptec 19160 SCSI Controller Card - 160MBps - 1 x 50-pin Ultra SCSI - SCSI External 1 x 68-pin - SCSI Internal 1 x 50-pin Ultra SCSI - SC
SKU: 1822200
Price: $1,227.42
KN18J011 - Quantum Atlas IV 18.2GB 7200RPM Ultra-160 SCSI 80-Pin 2MB Cache 3.5-inch Hard Drive
SKU: KN18J011
Price: $113.68
JP-080DJJ - Dell / Quantum 18GB 7200RPM Ultra-160 SCSI 68-Pin 4MB Cache 3.5-inch Hard Drive
SKU: JP-080DJJ
Price: $122.80
XC36J011 - Quantum Atlas V 36.7GB 7200RPM Ultra-160 SCSI 80-Pin 4MB Cache 3.5-inch Hard Drive
SKU: XC36J011
Price: $165.79
QM309100XC-LW - Quantum 9.1GB 7200RPM Ultra-160 SCSI 3.5-inch Hard Drive
SKU: QM309100XC-LW
Price: $200.51
TD09J011 - Quantum 9.1GB 7200RPM Ultra-2 Wide SCSI 80-Pin 3.5-inch Hard Drive
SKU: TD09J011
Price: $220.63
XC09J011 - Quantum Atlas V 9.1GB 7200RPM Ultra-160 SCSI 80-Pin 4MB Cache 3.5-inch Hard Drive
SKU: XC09J011
Price: $226.08
PX04J011 - Quantum Viking II 4.5GB 7200RPM Ultra Wide SCSI 80-Pin 512KB Cache 3.5-inch Hard Drive
SKU: PX04J011
Price: $226.08
QM336700XC-SCA - Quantum Atlas V 36.7GB 7200RPM Ultra-160 SCSI 80-Pin 4MB Cache 3.5-inch Hard Drive
SKU: QM336700XC-SCA
Price: $240.00
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.