IBM Power 8 Expansion drawer

8286 ESLS: EXP24SX SAS Storage Enclosure

ESLS is IBM's EXP24SX SAS Storage Enclosure. Listed for 8284-21A, 8286-41A, 8286-42A and more.

A 2U rack drawer that holds up to 24 extra 2.5 inch hard drives or SSDs outside the server.

8284-21A per the IBM sales manual. 8286-41A, 8286-42A and 8284-22A per Midland, which lists Power8, Power9 and Power10 support. It is the successor to the EXP24S (5887) and uses the same drive carriers.

Before you order ESLS

An expansion drawer adds slots or drive bays when the server itself is full. It is often the difference between upgrading a Power 8 and replacing it.

Not sure which Power 8 you have? The Identify Your Power 8 page shows how to check. Collecting several parts for one quote? Use the Power 8 maintenance and sourcing vendor directory. Or look up another feature code.

Source: IBM Japan Sales Manual 8284-21A (EXP24SX #ESLS attachment rules); IBM i I/O Support Details (#ESLS). Always confirm against your server's own configuration before you order.

Specifications

AttributeDetail
Feature CodeESLS
DescriptionEXP24SX SAS Storage Enclosure
Part TypeExpansion drawer
Bays24 x 2.5 in SFF SAS (SFF-2 carriers)
Height2U (2 EIA), 19 in rack
ModesAIX/Linux/VIOS: mode 1, 2 or 4; IBM i: mode 1
AttachmentSAS ports of PCIe SAS adapters, or the server's rear SAS ports in mode 1
Applies To8284-21A, 8286-41A, 8286-42A, 8284-22A
IBM i SupportedYes ... IBM i uses mode 1 (one group of 24 bays).

Feature code details come from IBM Redbooks, IBM Documentation, IBM Support pages, and the Midland Information Systems parts catalog. Always confirm against your server's own configuration before you order.