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Silver 3.5 inch SCSI hard drive with 80-pin connector

IBM

IBM Ultrastar DDYS-T18350 18.2GB 10000RPM Ultra-160 4MB 80-pin 3.5in SCSI internal hard drive

SKU CH-1WNA-YQHH9

An 18.2 GB, 10,000 RPM SCSI Ultra-160 hard drive with a 4 MB buffer and 80-pin 3.5 in form factor

  • 2 GB capacity stores critical server data
  • 10000 RPM spindle delivers fast transaction throughput
  • Ultra-160 SCSI interface moves data at up to 160 MB/s
  • 4 MB cache buffers burst I/O workloads
  • 80-pin 3.5-inch form factor fits standard hot-swap bays

Enterprise SCSI storage for legacy servers

The IBM Ultrastar DDYS-T18350 delivers 18.2 GB of capacity on a 10000 RPM spindle with a 4 MB buffer. It connects through a 3.5 inch Ultra-160 80-pin SCSI interface built for multi-drive arrays. This new drive suits administrators maintaining 3210-era systems that require the 80-pin connector.

Sustained throughput on Ultra-160 bus

At 10000 RPM the platters maintain consistent rotational latency during long sequential transfers. The 4 MB cache absorbs burst traffic while the Ultra-160 signalling moves blocks at up to 160 MB/s across the shared bus. Performance scales with the number of drives on the same controller channel.

80-pin hot-plug installation notes

The single-connector 80-pin design mates directly with a backplane, eliminating separate power and data cables. Alignment pins prevent mis-insertion, yet bent pins on the backplane remain the most common failure point. Verify SCSI ID jumpers on the carrier before seating the drive to avoid address conflicts.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 92% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much power and heat does the 10000RPM SCSI drive produce when running continuously?

The 10000RPM spindle and Ultra-160 interface draw more power than slower drives, so expect noticeable heat; ensure your case airflow can handle a 3.5in drive under sustained load.

What host adapter or backplane must I already have to connect the 80-pin Ultra-160 interface?

You need a SCSI host adapter or backplane that supports Ultra-160 (160 MB/s) signalling on an 80-pin connector; a 68-pin or narrower SCSI controller will not mate or run at full speed.

Will the DDYS-T18350 work on an older Ultra2 Wide SCSI bus I still use?

Yes — the Ultra-160 drive is backward compatible with Ultra2 Wide (80 MB/s) buses, but it will negotiate down to the bus speed and the 80-pin connector must match your backplane.

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