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A silver 2.5in SAS enterprise SSD with a metal case and label showing capacity and part number

HP

HP PM1643a MZILT3T8HBLS 3.84TB SAS 12Gb/s 2.5in enterprise SSD

SKU CH-VQRC-PJMJC

Enterprise SAS SSD delivering 3.84TB capacity with 2100 MB/s read and 2000 MB/s write speeds for read-intensive server workloads

  • Total capacity3.84 TB
  • Interface typeSAS 12Gb/s
  • Form factor2.5 in (6.35 cm)
  • Sustained sequential read rate2,100 MB/s
  • Sustained sequential write rate2,000 MB/s
  • Write endurance1 DWPD
  • 84 TB capacity supports large enterprise datasets
  • SAS 12 Gb/s interface delivers 2100 MB/s sequential read speed
  • 2000 MB/s sequential write accelerates write-heavy workloads
  • 1 DWPD endurance rating suits read-intensive applications
  • Power loss protection and end-to-end data protection safeguard data integrity

Enterprise SAS SSD for read-intensive workloads

The HP PM1643a MZILT3T8HBLS is a 3.84TB 2.5in enterprise solid state drive with a SAS 12Gb/s interface. It uses 3D TLC NAND and delivers sustained sequential reads up to 2100 MB/s and writes up to 2000 MB/s. The drive is rated at 1 DWPD endurance with a 2,000,000 hour MTBF.

Suited for read-heavy server and storage arrays

This drive targets enterprise servers, storage arrays, cloud deployments and backup or archiving solutions where read performance and data integrity matter. Power loss protection and end-to-end data path protection guard data during unexpected outages. Buyers needing higher write endurance for mixed or write-intensive workloads should consider drives with a higher DWPD rating.

1 DWPD endurance rating defines write longevity

The single specification that determines suitability is the 1 drive write per day endurance rating. It quantifies the total bytes you can write each day over the warranty period without exceeding the NAND wear budget. Workloads that consistently exceed this write volume will wear the drive faster than rated.

How it compares

Measured against everything we stock in Server & Data Center SSDs, at today’s prices. Recalculated every night.

Price $327.99
Cheaper than about 83% of the 1,039 comparable items (median $992.99).
Total capacity 3.84 TB
Higher than about 60% of the 522 comparable items (median 3.2 TB).
Price per TB $85.41 per TB
Cheaper than about 95% of the 522 comparable items (median $595.64 per TB).

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Specifications

Product
Brand nameHP/Samsung
Product linePM1643a
Model nameMZ-ILT3T8B
Part numberMZILT3T8HBLS-00AH3
Total capacity3.84 TB
Performance
Sustained sequential read rate2,100 MB/s
Sustained sequential write rate2,000 MB/s
Storage
Write endurance1 DWPD
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor2.5 in (6.35 cm)
More details
Mean time between failures2,000,000 h

Questions about this item

What does 2100 MB/s read speed mean once this drive is installed in a server?

It means the drive can stream data to the controller at up to 2100 MB/s for sustained sequential workloads, so large reads such as backup streams or analytics scans spend less time waiting on storage.

What does the SAS 12Gb/s interface cap in practice?

The 12Gb/s SAS link sets a theoretical ceiling of 12 Gb/s per lane; real-world throughput is limited by the drive's 2100 MB/s read and 2000 MB/s write ratings.

What does the 2.5in form factor need to fit or mount in my chassis?

It fits any standard 2.5in hot-swap bay or fixed cage that accepts a 15 mm enterprise SSD and uses the SAS connector layout defined for that form factor.

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