Roundup: Three 16-Port Enterprise SAS Controllers

Hardware Comparison Table and Test Setup

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Manufacturer Adaptec Areca Promise
Model RAID 51645 ARC-1680ix-16 SuperTrak EX16650
Internal Connectors 4x SFF 8087 4x SFF 8087 4x SFF 8087
External Connectors 1x SFF 8088 1x SFF-8088, 1x LAN, COM N/A
Cache 512 MB DDR2-400 ECC on board DDR2-533 512 MB DIMM 512 MB DDR2 ECC on board
Profile Full Height, half length Full Height Full Height
Interface PCI Express x8 PCI Express x8 PCI Express x8
XOR Engine 1.2 GHz Dual-Core RAID on Chip (ROC) Intel IOP348 1200 MHz Intel IOP348 1200 MHz
RAID Level Migration Yes Yes Yes
Online Capacity Expansion Yes Yes Yes
2+ TB Volumes (64 bit LBA) Yes Yes Yes
Multiple RAID Arrays Yes Yes Yes
Command Line Interface Yes Yes No
Hot Spare Support Yes Yes Yes
Battery Back-up Unit Optional Optional Optional
RAID 5 init 45 min 25 min 1h 16 min
RAID 5 rebuild 33 min 50 min 55 min
RAID 6 init 55 min 25 min 1h 30 min
RAID 6 rebuild Drive 1 40 min 55 min 1h 4 min
RAID 6 rebuild Drive 2 32 min rebuilt simultaneously 55 min
RAID 6 rebuild Total 1h 12 min 57 min 1h 59 min
Spin Down Idle Drives Yes Yes No
Power Consumption Power Saving 298 W 296 W N/A
Power Consumption Idle 368 W 365 W 364 W
Power Consumption Peak 412 W 409 W 402 W
Supported RAID Modes 0, 1, 1E, 5, 5EE, 6, 10, 50, 60, JBOD 0, 1, 10(1E), 3, 5, 6, 30, 50, 60, Single Disk or JBOD 0, 1, 1E, 5, 6, 10, 50, 60
Fan No Yes No
Supported OS Windows XP, Server 2003/2008, Vista, Red Hat Enterprise Linux (RHEL), SUSE Linux Enterprise Server (SLES), SCO OpenServer, UnixWare, Sun Solaris 10 x86, FreeBSD Windows 2000/XP/Server 2003/Vista Linux FreeBSD Novell Netware 6.5 Solaris 10 x86/x86_64SCO Unixware 7.x.x Mac OS X 10.x (EFI BIOS Support) Microsoft Windows Vista, 2000, XP, Windows Server 2003, Windows Server 2008 Red Hat Linux, SuSE Linux, Miracle Linux, Fedora Core, Linux open source driver (32/64-bit) FreeBSD, VMware 3.02, 3.5
Other Features Copy-back Hot-spare Integrated Web server Row 27 - Cell 3
Warranty 3 years 3 years 3 years
Price $999 $999 $800
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System Hardware
Processor(s) 2x Intel Xeon Processor (Nocona core); 3.6 GHz, FSB800, 1 MB L2 Cache
Platform Asus NCL-DS (Socket 604)Intel E7520 Chipset, BIOS 1005
RAM Corsair CM72DD512AR-400 (DDR2-400 ECC, reg.)2x 512 MB, CL3-3-3-10 Timings
System Hard Drive Western Digital Caviar WD1200JB 120 GB, 7 200 RPM, 8 MB Cache, Ultra ATA/100
Test Drives 16x Fujitsu MBA3147RC147 GB, 15,000 RPM, 16 MB Cache, SAS
Mass Storage Controller(s) Adaptec RAID 51645Areca ARC-1680D-IX-16Promise Supertrak 16650
Networking Broadcom BCM5721 On-Board Gigabit Ethernet NIC
Graphics Subsystem On-Board GraphicsATI RageXL, 8 MB
I/O Performance IOMeter 2003.05.10Fileserver-BenchmarkWebserver-BenchmarkDatabase-BenchmarkWorkstation-BenchmarkStreaming ReadsStreaming Writes
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System Software & Drivers
OS Microsoft Windows Server 2003 Enterprise Edition, Service Pack 1
Platform Driver Intel Chipset Installation Utility 7.0.0.1025
Graphics Driver Default Windows Graphics Driver

Test Drives: Fujitsu MBA3147RC (15,000 RPM)

We used 16 Fujitsu MBA3147RC 15,000 RPM SAS drives to make sure that the controllers could be saturated during our tests. These Fujitsu drives are state-of-the-art server models with 16 MB cache and throughput of over 150 MB/s.