Server features and specificationsThe following information is a summary of the features and specifications of theserver. Depending on the model, some features might not be available, or somespecifications might not apply.Table 1. Server features and specificationsMicroprocessor (depending on themodel):v Supports up to four of thefollowing Intel Xeon™ EP 4SE5-4600 versions of themicroprocessors.Note: The third and fourthmicroprocessor sockets are on theoptional IBM Microprocessor andMemory Expansion tray that youmust purchase to install up to fourmicroprocessors.– Four-core with 10 MB sharedamong cores– Six-core Turbo with 12 MB, 15MB, or 16 MB shared amongcores– Eight-core Turbo with 20 MBshared among cores (dependingon your model)v Up to 20 MB Level-3 cachev Two QuickPath Interconnect (QPI)links speed up to 8 gigatransfers(GT) per second, with two QPIlinks per microprocessor(Depending on the microprocessor,link speed can range from 6.4GT/s, 7.2 GT/s, or 8 GT/s.)v Four memory channels permicroprocessor that supports threeDIMMs per channelv Intel EP 4S microprocessor + C600series chipset (PCH)v HyperThreadingv Up to 40 PCIe Gen3 lanes perprocessor on the base system boardNote:v Use the Setup utility to determinethe type and speed of themicroprocessors in the server.Memory (depending on the model):v Connectors: 48 dual inline memorymodule connectors (24 on the basesystem board and 24 on theoptional microprocessor andmemory expansion tray).v Minimum: 4 GBv Maximum: up to 1.5 TBs (768 GBon the base system board and 768GB on the optional microprocessorand memory expansion tray).v Type: PC3-12800R 1600 MHz,PC3L-10600R-999 1333 MHz orPC3L-10600 1333 MHz LoadReduced (LR) single-rank,double-rank, or quad-rank, ECC,240 pin, DDR3 registered SDRAMDIMMs onlyv Supports 4 GB, 8 GB, 16 GBstandard RDIMMs and 16 GB and32 GB LR-DIMMsv Supports l.35-volt and 1.5-voltregistered DIMMs (see “Installing amemory module” on page 41formore information)Drive expansion bays (dependingon the model):v Supports up to sixteen 2.5 inchdrives, up to thirty-two 1.8- inchdrives, or a combination of both2.5-inch and 1.8-inch hot-swapdrives, using the supported SAS,SATA, or SSD backplaneconfigurations. The followingdrives are supported:– 2.5-inch hot-swap SAS orhot-swap SATA hard disk drive– 1.8-inch hot-swap SATA solidstate drive (SSD)– 2.5-inch hot-swap SATA solidstate drive (SSD)6 System x3750 M4 Types 8722 and 8733: Installation and Service Guide