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Adaptec RAID 51645 (Kit) Actual product image
CHF 1182.–

Adaptec RAID 51645 (Kit)

Specifications

Key specifications

Memory capacity (RAM)512 MB
Number of ports20

General information

Manufacturer Adaptec
Product type Storage controllers
Item number215045
Manufacturer no.2258500-R
Release date27.01.2009
External links Specifications (de)
Specifications (de)
Manufacturer's site (en)

Controller properties

Hardware interface
PCI-E x8
Expansion card form factor
Standard
i

Standard

The standard form factor for expansion cards is the common standard that is being used in conventional deskotp PCs.

Number of ports
i

Number of ports

Maximum number of ports that can be used simultaneously.

20
RAID configuration
0
i

0

(block-level striping without parity or mirroring) has no (or zero) redundancy. It provides improved performance and additional storage but no fault tolerance.

More information...

,
1
i

1

(mirroring without parity or striping), data are written identically to two drives, thereby producing a "mirrored set"; the read request is serviced by either of the two drives containing the requested data, whichever one involves least seek time plus rotational latency.

More information...

,
5
i

5

(block-level striping with distributed parity) distributes parity along with the data and requires all drives but one to be present to operate; the array is not destroyed by a single drive failure.

More information...

,
c
i

c

A RAID-60 composite consists of a RAID-0 array that combines several RAID 6. This requires at least two controllers with four hard disks each, i.e. a total of eight hard disks. In principle, the differences between RAID 5 and RAID 6 are highly scaled to the differences between RAID 50 and RAID 60: throughput is lower, while data security is higher. The simultaneous failure of any two drives is possible at any time without data loss; further failures are only uncritical if a maximum of two drives per striped RAID 6 are affected.

More information...

,
10
i

10

A RAID 10 group is a RAID 0 over several RAID 1, combining the characteristics of both RAIDs: security and increased read/write speed.
A RAID 10 network requires at least four hard disks.

More information...

,
1E
i

1E

RAID 1E uses 2-way mirroring on two or more drives. Data is striped across all drives, as in RAID 0. Additionally, a copy of each stripe is stored on a different drive, as in RAID 1. Reads are able to utilize all drives simultaneously, providing RAID0 like performance.

More information...

,
5EE
i

5EE

RAID 5EE works similar to RAID 5E. However, the free disk space is not reserved at the end of the hard disks, but distributed diagonally across the disks, similar to the RAID 5 parity. This ensures a higher transmission speed when data is recovered in the event of a failure.

More information...

,
50
i

50

A RAID 50 array consists of a RAID 0 array consisting of several striped RAID 5.
A RAID-50 network requires at least six hard disks, for example two RAID-5 controllers each with three disks per controller connected together with a software stripe RAID 0.
A RAID-50 network is used in databases where write throughput and redundancy are paramount.

More information...

,
60
i

60

A RAID-60 composite consists of a RAID-0 array that combines several RAID 6. This requires at least two controllers with four hard disks each, i.e. a total of eight hard disks. In principle, the differences between RAID 5 and RAID 6 are highly scaled to the differences between RAID 50 and RAID 60: throughput is lower, while data security is higher. The simultaneous failure of any two drives is possible at any time without data loss; further failures are only uncritical if a maximum of two drives per striped RAID 6 are affected.

More information...

hot plugging
Yes
hot spare
Yes
Native Command Queuing
Yes

Internal interfaces

mini-SAS (SFF-8087)
4 x

External interfaces

mini-SAS (SFF-8088)
1 x

Memory

Memory capacity (RAM)
512 MB
Memory type
DDR2-RAM
Processor clock frequency
1200 MHz

Product dimensions

Length
164 mm
Width
116 mm

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Downloads

Technical data sheet | 649.03 KB | German

Returns and warranty

Warranty 36 month Bring-in
30-day right of return
i

30-day right of return

Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

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Availability

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Adaptec RAID 51645 (Kit) Adaptec RAID 51645 (Kit)