Chapter 2. System specifications
This information compares general properties, performance, physical features, and
host connectivity for each XIV Gen3 model.
General properties
Specification Model 281x-114 Model 281x-214 Model 281x-314
Capacity per disk drive
(7,200 RPM)
1 TB limited capacity, 2 TB,
or 3 TB
1 TB limited capacity, 2 TB,
3 TB, 4 TB, or 6 TB
4 TB or 6 TB
Number of disk drives
(minimum / maximum)
72 / 180 72 / 180 108 / 180
Capacity on-demand
module configurations
Yes
Note: Not available for 1
TB limited capacity
systems.
Yes
Note: Not available for 1
TB limited capacity
systems.
Yes
Warranty 1 and 3 year limited
warranty, onsite service,
same day 24×7
1 and 3 year limited
warranty, onsite service,
same day 24×7
1 and 3 year limited
warranty, onsite service,
same day 24×7
Performance features
Specification Model 281x-114 Model 281x-214 Model 281x-314
Maximum number of
processors
15 Intel Xeon processor
E5620
15 Intel Xeon processor
E5645
30 Intel Xeon processors
E5645
Maximum number of
processor cores
60 physical (120 logical
cores as a result of
hyper-threading)
90 physical (180 logical
cores as a result of
hyper-threading)
180 physical (360 logical
cores as a result of
hyper-threading)
Maximum memory 360 GB (24 GB of memory
per module)
For 1 TB, 2 TB, and 3 TB
systems, 360 GB (24 GB of
memory per module). For 4
TB, 6 TB systems, 720 GB
(48 GB of memory per
module).
1440 GB (96 GB of memory
per module).
Maximum cache-to-disk
bandwidth
480 Gbps 480 Gbps
Note: For 4 TB or 6 TB
options, 720 Gbps (48 GB
per module)
720 Gbps
SSD caching (optional) Up to 6.0 TB Up to 12.0 TB Up to 12.0 TB
Physical features
Specification Model 281x-114 Model 281x-214 Model 281x-314
Dimensions (width × depth
x height)
66 cm x 120 cm x 202 cm
(79.5 in. x 26.0 in. x 47.2 in.)
66 cm x 120 cm x 202 cm
(79.5 in. x 26.0 in. x 47.2 in.)
66 cm x 120 cm x 202 cm
(79.5 in. x 26.0 in. x 47.2 in.)
Front clearance 120 cm (47.2 in.) 120 cm (47.2 in.) 120 cm (47.2 in.)
Rear clearance 100 cm (39.4 in.) 100 cm (39.4 in.) 100 cm (39.4 in.)
Maximum weight 1041.5 kg (2296.11 lbs) 1041.5 kg (2296.11 lbs) 1050 kg (2315.25 lbs)
© Copyright IBM Corp. 2008, 2018 3
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