Dell EMC Unity 2U 25-Bay Disk Array Enclosure — D4122F
  • Product categories:Storage
  • Part number:D4122F
  • Availability:In Stock
  • Condition:Brand New
  • Product features:Ready to Ship
  • Min order:1 unit
  • List Price was:$4,943.00
  • Your Price: $4,545.00 You save $398.00
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Dell EMC Unity 2U 25-Bay Disk Array Enclosure — D4122F

Title

Dell EMC Unity 2U 25-Bay Disk Array Enclosure — D4122F

Keywords

d4122f, unity disk array enclosure, 25-bay 2.5-inch dae, dell emc unity, 12gb sas expansion

Description

This Dell unity disk array enclosure is part number d4122f. It is a 2U shelf with 25 bays for 2.5-inch drives. The unit price is $4,545 per unit. This listing is the enclosure. The 25 bays are empty.

Dell documents the 25-drive 2.5-inch DAE as 3.40 inches high, 17.50 inches wide, and 14.0 inches deep. The published weight of 44.61 lb is for an enclosure filled with 25 disks, not for this empty shelf. Rails are extra; Dell allows about 5 to 10 lb for a rail set.

The shelf attaches to a Unity disk processor enclosure with mini-SAS HD cables. The bus is 12gb sas expansion. Two link control cards and redundant power and cooling modules are part of this DAE type. AC input is 100 to 240 VAC.

Use d4122f when a dell emc unity array needs another 25-bay 2.5-inch shelf. It is not the 15-bay 3.5-inch DAE and it is not the 80-bay shelf. Drives are ordered separately. A 7.68TB 25-slot SSD such as D4-2SFXL2-7680 is a different part.

Buyers adding capacity can take this 25-bay 2.5-inch dae as one line at $4,545 per unit. Populate it only with 2.5-inch SAS drives the target Unity array supports, and set the enclosure ID before production data is moved onto the new shelf.

Key Features

  • Part Number — d4122f.
  • Shelf — unity disk array enclosure, 2U, 25 × 2.5-inch hot-swap bays.
  • Drives — not included. This price is the empty enclosure.
  • Link — 12gb sas expansion, mini-SAS HD back to the disk processor enclosure.
  • Power — redundant AC power and cooling, 100–240 VAC.
  • Price — $4,545 per unit.

Configuration

ComponentSpecification / Detail
Part NumberD4122F
ProductDell EMC Unity 2U 25-bay SFF disk array enclosure
Form2U rack, 25 × 2.5-inch hot-swap bays
Drives includedNone. Bays ship empty
Link12Gb SAS, mini-SAS HD to the Unity disk processor enclosure
PowerRedundant AC power and cooling, 100–240 VAC
Dimensions3.40 in high, 17.50 in wide, 14.0 in deep
Price$4,545 per unit

Compatibility

d4122f is the Unity 2U 25-bay SFF disk array enclosure. It expands a Unity disk processor enclosure. It does not replace the processor enclosure, and it has no CPUs of its own.

Bays take 2.5-inch drives. Do not plan to install 3.5-inch drives in this 25-bay 2.5-inch dae. The 15-drive 3U DAE is the 3.5-inch shelf. The 80-drive DAE is a different 3U enclosure.

Connect the shelf with mini-SAS HD to the SAS ports on the Unity processor enclosure. Redundant power cords are required for the two power zones. Confirm the array software accepts another 25-drive enclosure before you add d4122f.

Usage Scenarios

Capacity shelf: Add this unity disk array enclosure when a Unity array has no free 2.5-inch bays left. $4,545 per unit buys the shelf only. Order the drives as separate lines.

All-flash or hybrid: The same d4122f accepts the 2.5-inch SAS SSDs and SAS hard drives that the target Unity model supports. Mix only the drive types that array allows in one pool.

Spare shelf: Keep a 25-bay 2.5-inch dae for a site that already runs Unity and may need another 25 slots. The enclosure ID and SAS cabling are set at install, not in this listing.

Separate from the DPE: A disk processor enclosure also has drive slots, but it contains the storage processors. This dell emc unity part is the expansion shelf. Do not order d4122f when the missing piece is the processor enclosure.

What this price covers: $4,545 per unit is one empty D4122F. It does not include 25 drives, a rail kit, the processor enclosure, or SAS cables beyond what Dell packs with the shelf.

Frequently Asked Questions

Q: What is the part number?
A: d4122f. The title keeps D4122F so the order matches this 2U 25-bay enclosure.

Q: Are drives included?
A: No. The 25 × 2.5-inch bays are empty. $4,545 per unit is the price of one enclosure.

Q: How does the shelf connect?
A: Mini-SAS HD to the Unity disk processor enclosure, on 12Gb SAS. Power is redundant AC, 100–240 VAC.

Q: Is this the 80-bay shelf?
A: No. d4122f is the 2U shelf for 25 × 2.5-inch drives. The 80-drive enclosure is a different part.

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