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2008/05/19        12 Bay Infiniband Multilane SATA Enclosure DS-1240

This 12-bay 3U SATA direct connect hard drive storage subsystem features twelve hot swap SATA hard drive bays enclosed in a black heavy duty rack mountable 1.2mm steel case. The enclosure utilizes three Infiniband multilane connections on the rear of the case to support all twelve hard drive bays. The DS-1240 supports both SATA I and SATA II hard drives. The enclosure measures 19.75" deep, 5.9" high and 19" wide. The enclosure weighs 32 pounds empty and approximately 50 pounds when twelve SATA hard drives are installed. The Norco DS-1240 is compatible with Macintosh, Windows and Linux computers that have a compatible SATA host adapter installed. The purpose of this review is to determine how the NORCO DS-1240 will perform with an Apple Mac Pro.

System Requirements
Any computer that supports external Infiniband multilane enclosures.
Supports Mac OS X 10.4.x or higher, Windows and Linux.
Supports up to 12 external SATA 3.5" hard drives.
Utilizes three Infiniband multilane external connectors.
Optional NORCO-4154 Multilane to 4 SATA adapter is available.
What's Included?
The Norco DS-1240 includes a 3U rack mountable case, twelve 3.5" hard drive trays, drive mounting screws, a small screwdriver, power cord and a users guide.

Pros
★12-bay hot swap SATA enclosure under $650.
★Three Infiniband multilane connectors.
★Fan and temperature alarms.
★Rack Mountable.
★Easy access enclosure for modifications.
★Easily mounts single drives or a RAID configuration.
★Fan Mate 2 controllers can be used for quiet operation.
★Well designed, good looking, heavy duty quality hardware.
★Can be configured with an Areca ARC-1231ML RAID 6 controller

  Stock Fans FM2 Turned Down
Location After 90 min Hour idle After 90 min. Hour idle
Top Bay 108 102 109 106
Bay 2 109 104 113 106
Bay 3 108 102 111 104
Bay 4 109 104 113 108
Bay 5 109 104 113 108
Bay 6 108 102 111 104
Bay 7 109 104 113 106
Bay 8 108 102 111 106
Bay 9 108 104 111 108
Bay 10 106 100 109 104
Bay 11 106 102 109 104
Bay 12 106 100 109 104

Bays 1-12 are Seagate 320GB model 7200.10 SATA hard drives model ST3320620AS.

Norco DS-1240 - Twelve Drive RAID 5 & 6 Comparison

 
 
RAID 5
Twelve Seagate
ST3320620AS
320GB x 12
ARC-1231ML
RAID 5 + Spare
Twelve Seagate
ST3320620AS
320GB x 12
ARC-1231ML
RAID 6
Twelve Seagate
ST3320620AS
320GB x 12
ARC-1231ML
RAID 6 + Spare
Twelve Seagate
ST3320620AS
320GB x 12
ARC-1231ML
Area Full write read write read write read write read
empty 770 621 762 600 717 557 702 533
10% 807 619 763 612 737 564 723 539
20% 810 611 784 600 739 570 708 534
30% 822 619 766 600 730 568 691 535
40% 788 609 737 590 718 565 662 534
50% 769 612 691 584 701 551 623 524
60% 733 597 666 538 667 542 588 487
70% 675 548 615 508 612 495 548 458
80% 610 508 566 458 564 460 505 419
90% 537 450 498 409 497 409 435 368
100% 443 367 387 351 412 334 371 303
Average 706 560 658 532 645 510 596 476
Format Size 3.2TB   2.91TB   2.91TB   2.62TB  
Hot Spare No   Yes   No   Yes  
Redundancy Yes   Yes   Yes   Yes  

Results are shown in MB per second. Twelve Seagate 320GB 7200.10 hard drives were used to create these RAID sets using the Norco DS-1240/ARC-1231ML combination with an Apple Mac Pro.

Norco DS-1240 - Twelve Drive RAID 0 & 10 Comparison

 
 
RAID 0
Twelve Seagate
ST3320620AS
ARC-1231ML
Web Interface
RAID 0
Twelve Seagate
ST3320620AS
ARC-1231ML
Disk Utility
RAID 10
Twelve Seagate
ST3320620AS
ARC-1231ML
Web Interface
RAID 10 + Spare
Twelve Seagate
ST3320620AS
ARC-1231ML
Web Interface
Area Full write read write read write read write read
empty 848 677 837 673 399 399 395 363
10% 870 675 776 657 426 398 444 361
20% 884 676 898 669 420 388 435 353
30% 913 678 913 661 414 379 423 347
40% 876 673 876 650 440 366 407 334
50% 837 665 838 652 423 350 389 318
60% 800 658 798 635 400 331 366 300
70% 736 595 735 597 368 306 340 279
80% 678 555 677 552 340 282 313 254
90% 597 483 578 501 299 247 274 226
100% 494 406 493 405 247 203 226 186
Average 776 613 765 605 380 332 365 302
Format Size 3.49TB   3.49TB   1.75TB   1.6TB  
Hot Spare No   No   No   Yes  
Redundancy No   No   Yes   Yes  

Results are shown in MB per second. Twelve Seagate 320GB 7200.10 hard drives were used to create these RAID sets using the Norco DS-1240 and ARC-1231ML combination with an Apple Mac Pro.