Thinkserver Hard Disk Drives - Lenovo ThinkServer RD210 Options Manual

THINKSERVER HaRd dISK dRIVES

PERfORmaNCE STORaGE aNd SCaLabLE CaPaCITy
ThinkServer Hard Disk Drive options cover the entire spectrum of server storage needs with Serial
ATA (SATA) and Serial Attached SCSI (SAS) offerings. The portfolio includes both 2.5" and 3.5" form
factor drives in 2 flavors: Hot-Swap and Simple-Swap.
SAS is your solution if you are looking for solid performance per dollar and SATA is your solution if you
are looking for cost-efficient capacity per dollar.
Technology Form Factor
2.5"
SAS
3.5"
2.5"
SATA
3.5"
Lenovo recommends high-performance SAS drives for virtualization environments.
We provide a full array of SAS drives in both 2.5" and 3.5" offerings:
• 10,000 and 15,000 rpm 2.5" SAS hard disk drives capable of 6.0gbps performance
• 10,000 and 15,000 rpm 3.5" SAS hard disk drives at 3.0gbps performance
4
SELECTING THE RIGHT SOLuTION – SaS OR SaTa
Speed Usage Scenario Usage Intensity
24/7, many users
Performance-intensive,
15K rpm accessing information
high availability,
10K rpm or running mission
random reads
critical applications
8x5, system storage
Capacity-intensive,
7.2K rpm applications such
low-availability,
10K rpm as storing content
sequential reads
or archiving data
bENEfITS Of 2.5" Sff HaRd dISK dRIVES
OVER 3.5" HaRd dISK dRIVES
The newest ThinkServer systems are ready to jump-start your business
with high performance per volume SAS and SATA 2.5" slim-form-factor
(SFF) hard disk drives. 2.5" SFF hard disk drives provide you with the
perfect solution where performance is key and scalability is vital.
• High Performance, Rich Density
– Higher spindles per system
• Reduced Power Consumption
– 2.5" HDDs use 40% less energy than 3.5" HDDs
• Enterprise Class Reliability
Notable Specifications
– 2.5" HDDs generate less heat and this translates into
higher Mean-Time-Between-Failures
3.5ms to 3.9ms
typical seek times
9.5ms
typical seek time
3.5" SATA Drive
with hot-swap carrier
2.5" Slim Form Factor
SAS Drive in hot-swap carrier