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IBM S1124 EP3X 16-Core

S1124 EP3X 16-core configuration

The S1124 EP3X 16-core delivers 433,000 CPW from one socket in the P20 IBM i software tier. It is the smallest processor choice for the 4U S1124. Request a quote for your partitions, memory, and storage.

IBM i CPW
433,000
Maximum for this configuration
IBM i tier
P20
Software licensing tier
Physical cores
16
One socket, one 16-core DCM module
Clock
3.4 to 4.2 GHz
AIX rPerf 572.9 at SMT8
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S1124 EP3X 16-core processor specifications

IBM S1124 EP3X 16-core processor specifications
SpecificationConfiguration
Catalog model9824-42A-EP3X-16Core
Machine type and model9824-42A
Processor featureEP3X
Physical cores16
Sockets1
Processor arrangementOne 16-core DCM module
Clock range3.4 to 4.2 GHz
Maximum CPW433,000
IBM i software tierP20
Cache per core2 MB L2; 8 MB L3

S1124 EP3X 16-core IBM i capacity

CPW is the IBM i throughput rating to size against. Compare 433,000 with the CPW of the system you run today and leave room for growth.

S1124 EP3X 16-core IBM i capacity and licensing
IBM iConfiguration
Maximum CPW433,000
CPW per core27,063 (433,000 / 16 cores)
Software tierP20
I/ONative, virtualized through Virtual I/O Server (VIOS), or a combination of both

The S1124 does not limit IBM i to a small partition size. Allocate the 16 cores across your IBM i, AIX, Linux, and VIOS partitions to fit the workload.

S1124 EP3X 16-core AIX performance

One-socket S1124 EP3X 16-core AIX rPerf
Thread moderPerf
Single-thread156.8
SMT2322.9
SMT4457.4
SMT8572.9

These rPerf ratings describe the complete 16-core, one socket AIX configuration.

S1124 memory and storage

S1124 memory and NVMe limits
SpecificationConfiguration
Memory (model range)64 GB to 8 TB across 32 DDR5 DDIMM slots
Internal baysSixteen U.2 NVMe bays
Mainstream NVMe maximum244.8 TB raw, sixteen 15.3 TB modules
Enterprise NVMe maximum102.4 TB raw, sixteen 6.4 TB modules
NVMe expansionUp to two NED24 drawers with 24 U.2 bays each

Storage maxima are raw capacity, not usable capacity after mirroring or other protection. We confirm the memory slots available to a one-socket configuration with your quote.

S1124 EP3X 16-core I/O, power, and physical specifications

S1124 EP3X 16-core I/O, power, and chassis
SpecificationConfiguration
Chassis4U rack
Processor-dependent PCIeGen5 operation with DCM; slot-specific qualifications below
CEC slot topologyFour Gen4 x16 or four Gen5 x8 slots; four Gen5 x8 slots with x16 connectors; two Gen4 x8 slots with x16 connectors
PCIe expansionUp to two Gen4 I/O drawers; we confirm the drawer and slot arrangement with the configuration
Power suppliesUp to four EB3S 1600 W Titanium AC supplies, 200 to 240 V
Maximum power draw2,750 W; 2.835 kVA; single phase
Width x depth x height18.97 x 28 x 6.8 in. (482 x 712 x 173 mm)
Weight96 lb (43.54 kg)

Power supplies must be ordered with the system and cannot be added later. Choose the supply count for redundancy before the order is placed.

With DCM, all PCIe slots are described as running at Gen5 speeds, while the slot list also includes Gen4 slots. We will confirm each adapter and slot speed with the selected configuration.

S1124 management, availability, and security

  • Chipkill memory and active memory mirroring.
  • Redundant hot-plug power and cooling, with hot-plug PCIe slots for concurrent maintenance.
  • Spare processor cores that can take over from a failing core without restarting the system.
  • eBMC management, processor instruction retry, and dynamic processor deallocation.
  • PowerVM Enterprise Edition with optional dual VIOS.
  • Capacity Upgrade on Demand (CUoD) and Power Private Cloud EP2.0.
  • Up to 1,000 logical partitions or micro-partitions across the system.
  • IBM 4770 Crypto Card option for quantum-safe protection, and IBM Power Cyber Vault offered with IBM Storage and IBM Expert Labs.

S1124 software and management requirements

Match the installed OS release to the selected processor feature. HMC v11 requires a 7063-CR2 appliance or virtual HMC; the 7063-CR1 cannot manage Power 11.

S1124 software requirements
SoftwareLevels
IBM i7.6 with Power 11 GA PTF group; 7.5 TR6 or later; 7.4 TR12 or later. Runs natively, virtualized, or both.
AIX with any I/O7.3 TL03 / SP 7300-03-01-2520; 7.2 TL05 / SP 7200-05-10-2520; or 7.3 TL02 / SP 7300-02-04-2520, or later.
AIX virtual-I/O-only partitions7.3 TL03 / SP 7300-03-00-2446; 7.3 TL02 / SP 7300-02-02-2420; or 7.2 TL05 / SP 7200-05-08-2420, or later.
VIOS4.1.1.10, 4.1.0.40, or 3.1.4.60, or later.
LinuxRHEL 8.10, RHEL 9.4, or RHEL 10.0 or later; RHEL for SAP 9.6 or later; SLES 15 SP6 or later, including SLES for SAP.
Red Hat OpenShiftContainer Platform 4.19 or later.
Hardware Management ConsoleHMC v11 using 7063-CR2 or virtual HMC. 7063-CR1 does not support Power 11 management.

S1124 warranty and support options

S1124 warranty and support upgrade options
CoverageResponse objectives
Base warrantyThree years parts and labor, 9x5 next-business-day response.
Power Expert Care Advanced24x7 hardware coverage. Two-hour initial contact objective for Severity 1 and 2; onsite objective same day for Severity 1 and next day for Severity 2. Software maintenance with a two-hour Severity 1 response goal.
Power Expert Care Premium24x7 hardware coverage. Thirty-minute initial contact objective for Severity 1 and 2; four-hour onsite objective for Severity 1 and 2. Enhanced software maintenance with a thirty-minute Severity 1 and 2 contact objective.

These are target objectives. Committed fix times for Severity 1 and 2 are an extra-cost option in eligible locations.

Compare S1124 EP3X 16-core with other S1124 configurations

EP3X 16-core is the only S1124 choice under 500,000 CPW. If you need more IBM i throughput while staying in P20, the two-socket EP3X 32-core reaches 823,000 CPW. The one-socket EP3H 24-core reaches 649,800 CPW but moves IBM i to P30.

S1124 processor configurations by CPW
ConfigurationPhysical coresSocketsClock GHzIBM i tierMaximum CPWCPW per core
EP3X 16-core (this page)1613.4 to 4.2P20433,00027,063
EP3H 24-core2413.05 to 4.15P30649,80027,075
EP3Y 30-core3012.8 to 3.95P30812,25027,075
EP3X 32-core3223.4 to 4.2P20823,00025,719
EP3H 48-core4823.05 to 4.15P301,118,50023,302
EP3Y 60-core6022.8 to 3.95P301,345,90022,432

CPW per core is each configuration's listed maximum CPW divided by its physical cores.

All S1124 processor options.

Request a S1124 EP3X 16-core quote

Send us your partition layout, operating-system releases, and required memory. Include usable storage capacity, the adapters you need, and your target CPW.

For an MES upgrade, include your current machine type, model, and serial number.

We can include the services needed to bring the configured system into production:

  • Installation and operating-system upgrades.
  • Data migration and PTF updates.
  • Ongoing maintenance and support.
Request a configuration quote