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Silver rectangular 2.5 inch enterprise SSD with label showing PM1643a 3.84TB SAS 12Gb/s

DELL

DELL PM1643a MZ-ILT3T8C 3.84TB SAS 12 2.5in enterprise SSD

SKU CH-3FS0-AV26J

3.84 TB 2.5-inch enterprise SSD delivering 2100 MB/s read and 2000 MB/s write over SAS 12 with 1 DWPD endurance and power-loss protection

  • 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
  • 2100 MB/s sequential read accelerates data-intensive workloads
  • 2000 MB/s sequential write sustains high-throughput operations
  • 1 DWPD endurance rating ensures reliable read-intensive performance
  • 2,000,000 hours MTBF delivers long-term drive reliability

Capacity and interface

This 3.84TB enterprise SSD uses a 12Gb/s SAS interface in a 2.5in form factor. It is built for read-intensive workloads in servers and storage arrays. Sequential speeds reach 2100 MB/s read and 2000 MB/s write.

Suited for read-heavy arrays.

The drive is rated at 1 DWPD, making it a match for backup, archiving and analytics where reads dominate. It is not designed for workloads that need higher write endurance. The SAS interface is not compatible with standard desktop PCs.

Endurance rating

At 1 DWPD the drive can write its full capacity once per day over the warranty period. This single figure determines whether the SSD fits a read-intensive deployment or falls short for mixed or write-heavy applications.

How it compares

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

Price $469.99
Cheaper than about 72% 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 $122.39 per TB
Cheaper than about 92% of the 522 comparable items (median $595.64 per TB).

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Specifications

Product
Brand nameDELL/SAMSUNG
Product linePM1643a
Model nameMZ-ILT3T8C
Part numberMZILT3T8HBLSAD4
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

How do I install the 2.5in SAS 12Gb/s drive in a hot-swap bay, and what step is often missed?

Slide the drive into the hot-swap tray until the dual-port SAS connector seats firmly; the step most people miss is verifying the carrier latch clicks so the dual-port link stays secure under vibration.

What maintenance or replacement will the 3.84TB 1 DWPD SSD need later?

With 1 DWPD endurance and 2,000,000-hour MTBF, the drive itself needs no scheduled maintenance; replacement is only required once the rated write budget is exhausted or a SMART alert flags wear.

What limit appears first during sustained writes on the PM1643a 2000 MB/s sequential write drive?

The 1 DWPD endurance rating is the first hard limit; continuous writes at 2000 MB/s will consume the daily write budget before thermal throttling or the 12Gb/s SAS interface saturates.

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