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2.5 inch 15 mm bare SAS SSD with dual ports

Seagate

Seagate XS3840SE70045 3.84TB Nytro 3350 SAS internal SSD

SKU CH-YGYJ-R0JH3 MPN XS3840SE70045

A 3.84 TB dual-port SAS internal SSD delivering up to 2,200 MB/s sequential read and 250,000 random read IOPS with 1 DWPD endurance

  • Device TypeInternal Solid State Drive (SSD)
  • 84 TB capacity for large datasets
  • 12 Gb/s SAS dual-port interface for high-throughput connectivity
  • 2,200 MB/s sequential read under dual-port operation
  • 250,000 random read IOPS for demanding workloads
  • 1 drive write per day endurance with 7,000 TB total bytes written

Drive identity and audience

The Seagate Nytro 3350 is a 3.84 TB internal SSD built for enterprise servers and storage arrays that need consistent throughput and dual-port redundancy. It uses 3D eTLC flash and a 12 Gb/s SAS interface to deliver sustained performance in mixed read-write workloads. The drive is rated for one drive write per day and 7,000 TB total bytes written over its service life.

Upgrade path and value point

This model replaces older SAS SSDs limited to single-port 6 Gb/s or 12 Gb/s links, adding a second physical port for multipath I/O and failover. The jump is worth it when an application needs sustained sequential reads up to 2,200 MB/s and random reads up to 250,000 IOPS in dual-port mode, or when endurance must exceed 195,000 random read IOPS at a 1 DWPD rating.

Installation notes and common issues

The 2.5 inch 15 mm form factor fits standard hot-swap bays and backplanes that accept 12 Gb/s SAS drives. Dual-port cabling requires two independent phys from the controller or expander; a single cable will limit throughput to single-port figures of 1,100 MB/s read and 195,000 IOPS read. Average idling power is 4.6 W, with maximum start current of 0.72 A on the 5 V rail and 0.23 A on the 12 V rail.

Highlights

  • 84 TB capacity for large datasets
  • 12 Gb/s SAS dual-port interface for high-throughput connectivity
  • 2,200 MB/s sequential read under dual-port operation
  • 250,000 random read IOPS for demanding workloads
  • 1 drive write per day endurance with 7,000 TB total bytes written

Specifications

Device TypeInternal Solid State Drive (SSD)

Questions about this item

Will the 2.5 in 15 mm form factor fit my server drive bay?

The drive uses a standard 2.5 inch 15 mm height, so it fits any bay that accepts that thickness.

What is the correct way to connect the dual-port 12 Gb/s SAS interface and what step is often missed?

Attach both SAS cables to the dual ports for full 2,200 MB/s read bandwidth; skipping the second port limits you to single-port speeds.

How long will the 3D eTLC NAND last under a 1 DWPD workload?

Rated at 1 drive write per day, the 3.84 TB drive delivers 7,000 TB written over its lifetime with a 2.5 million hour MTBF.

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