IBM TotalStorage EXP3524 Expansion Shelf

There are two models of IBM TotalStorage EXP3524 expansion shelves: the 1746-A4E and the 1746-T4E, which is a Direct Current (DC) powered option. That is the only key difference between the two IBM EXP3524 models, otherwise they are exactly alike. Some distinctive, advantageous features of IBM System Storage EXP3524 expansion units include 6 Gigabits per second (Gbps) Serial Attached SCSI (SAS) attachment capabilities and 24 dual-port, hot-swappable hard disk drive (HDD) bays with backward compatibility to support 3Gpbs disk drives. The 24 drive bays allow the IBM EXP3524 expansion unit to support 2.5” Small Form Factor (SFF) SAS disk drives. Since the IBM EXP3524 expansion shelves are designed to work with the IBM TotalStorage DS3512 or DS3524 disk storage systems, which can only hold up to 192 disk drives, and then a maximum of 7 EXP3524 expansion units can be added to these systems. This allows the internal storage capacity of expanded DS3524 disk storage systems to reach up to 192 Terabytes (TB) ), and more if intermixed with EXP3512 expansion enclosures.

The 24 SFF disk drive bays of the IBM EXP3524 expansion shelves can be filled from a wide selection of disk drives, including 146 Gigabytes (GB) 15K RPM SAS drives, 300GB, 600GB, or 900 GB 10K RPM SAS drives, 500GB or 1TB 7.2K RPM Near-Line SAS drives, and 200GB or 400GB Solid State Drives. Configured in a 2U rack form factor, IBM TotalStorage EXP3524 expansion units offer several other advantages to mid-range enterprise IT environments including an incredibly high Input/Output Operations Per Second (IOPS) per watt and an improvement of 134% in IOPS/Unit (U) versus that of the EXP3000 expansion unit. As a result of these advantages, the IBM EXP3524 expansion shelf is ideal for applications requiring a high level of IOPS as well as those that have stringent energy-efficiency requirements. As a highly flexible expansion unit, the IBM Storage System EXP3512 expansion unite also features the option of single or dual-active environment services modules (ESMs).

ذخیره ساز شبکه SAN آی بی ام EXP3524 Expansion

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