Elevate your mainframe server performance with a refurbished IBM z13s that packs speed, intelligence and security into a compact footprint. Our selection of used IBM z13s products utilize a hybrid cloud environment and real-time analytics to improve the capabilities of your IT infrastructure. The z13s is designed to scale during times of peak demand, with dynamic provisioning of key resources for increased reliability. Gain processing power and reduce security risks with this capable line of IBM mainframe servers.

IBM z13s (IBM 2965) Technical Specifications

ProcessorActive CPUsEstimated MipsMSU
2965-A0118010
2965-B0118811
2965-C0119812
2965-D01111014
2965-E01113016
2965-F01115019
2965-A02215019
2965-B02216521
2965-G01117221
2965-C02218423
2965-H01119324
2965-D02220726
2965-I01121627
2965-A03321727
2965-B03323930
2965-J01124230
2965-E02224430
2965-C03326633
2965-K01127234
2965-A04428135
2965-F02228235
2965-D03329938
2965-L01130338
2965-B04430939
2965-G02232340
2965-M01134042
2965-A05534142
2965-C04434443
2965-E03335344
2965-H02236345
2965-B05537547
2965-N01138148
2965-D04438648
2965-A06639850
2965-I02240651
2965-F03340751
2965-C05541852
2965-O01142753
2965-B06643855
2965-J02245557
2965-E04445657
2965-G03346758
2965-D05546959
2965-P01147760
2965-C06648861
2965-K02251164
2965-H03352465
2965-F04452666
2965-Q01153467
2965-D06654868
2965-E05555469
2965-L02257071
2965-I03358674
2965-R01159775
2965-G04460375
2965-M02263980
2965-F05563980
2965-E06664881
2965-J03365782
2965-S01166783
2965-H04467784
2965-N02271690
2965-G05573392
2965-K03373992
2965-T01174693
2965-F06674793
2965-I04475895
2965-O022803100
2965-L033823103
2965-H055823103
2965-U011834104
2965-J044849106
2965-G066857107
2965-P022897112
2965-I055921115
2965-M033923115
2965-V011933117
2965-K044954119
2965-H066961120
2965-Q0221004125
2965-J0551031128
2965-N0331034129
2965-W0111043130
2965-L0441063133
2965-I0661076135
2965-R0221122140
2965-O0331159144
2965-K0551159144
2965-X0111166145
2965-M0441193148
2965-J0661205150
2965-S0221254156
2965-L0551291161
2965-P0331295161
2965-Y0111304162
2965-N0441336166
2965-K0661355168
2965-T0221402175
2965-Z0111430178
2965-M0551449180
2965-Q0331450180
2965-O0441498187
2965-L0661509188
2965-U0221568195
2965-R0331621202
2965-N0551624202
2965-P0441673208
2965-M0661694210
2965-V0221754218
2965-S0331811224
2965-O0551820225
2965-Q0441873232
2965-N0661898235
2965-W0221961243
2965-T0332025251
2965-P0552033252
2965-R0442094260
2965-O0662127264
2965-X0222192272
2965-U0332264281
2965-Q0552276282
2965-S0442340290
2965-P0662376295
2965-Y0222452304
2965-V0332533314
2965-R0552545315
2965-T0442617324
2965-Q0662660329
2965-Z0222688333
2965-W0332832351
2965-S0552843352
2965-U0442925362
2965-R0662974369
2965-X0333166392
2965-T0553180394
2965-V0443273406
2965-S0663322412
2965-Y0333541439
2965-U0553555441
2965-W0443658453
2965-T0663716460
2965-Z0333883481
2965-V0553977493
2965-X0444090507
2965-U0664154515
2965-W0554446551
2965-Y0444574567
2965-V0664647576
2965-X0554970616
2965-Z0445016622
2965-W0665195645
2965-Y0555558690
2965-X0665808721
2965-Z0556095756
2965-Y0666495806
2965-Z0667123884

IBM z13s (IBM 2965) Model Summary Matrix

ModelPUMemory (Note 1)GX++ IO FanoutsPCI IO FanoutsIO Drawer (Notes 2,3)PCIe IO Drawer (Note 3)
N101 to 1064 to 984 GB20 to 40 to 10 to 1
N201 to 2064 to 2008 GB40 to 80 to 10 to 2
N20 2 drawer1 to 2064 to 4056 GB80 to 160 to 10 to 2

IBM z13s (IBM 2965) Processor Unit Summary

ModelTotal PUs Available for usePCPs Min/MaxIFLs (#1924) Min/MaxuIFLs (#1928) Min/MaxICFs (#1925) Min/MaxzIIPs (#1927) Min/MaxAdditional SAPs (#1926) Min/Max
N10100 to 60 to 100 to 90 to 100 to 60 to 2
N20200 to 60 to 200 to 190 to 200 to 120 to 3

Model Summary Matrix Notes

  1. An additional 40 GB of memory is shipped and reserved for HSA. One additional memory channel is dedicated for RAIM. Every fifth DIMM configured is reserved for this purpose.
  2. Carry forward only.
  3. N20 2-drawer limited to 1 I/O drawer + 1 PCIe I/O drawer or 2 PCIe I/O drawer

Processor Unit Notes

  1. A z13s supports 156 capacity settings.
  2. One CP, One Integrated Facility for Linux (IFL) (#1924) or Internal Coupling Facility (ICF) (#1925) is required for any z13s model; one IFL (#1924) or one ICF (#1925) is required if zero CPs is selected.
  3. The total number of PUs purchased cannot exceed the total number available for that model.
  4. One CP, one IFL (#1924), or one ICF (#1925) must be installed with the installation of any uIFLs or prior to the installation of any uIFLs.
  5. One CP must be installed with the installation of any zIIPs or prior to the installation of any zIIPs.
  6. The total number of zIIPs (#1927) purchased cannot exceed twice the number of CPs purchased for any machine.
  7. There are zero spares on the N10 model. There are two spaces on the N20 model.
  8. There are two SAPs on the N10 model and three SAPs on the N20 model provided as standard.