List of Intel chipsets

Pre-chipset situation

• the 8284 clock generator
• the 8288 bus controller
• the 8254 programmable interval timer
• the 8255 parallel I/O interface
• the 8259 programmable interrupt controller
• the 8237 DMA controller

Early chipsets

• 82077AA CHMOS Single-Chip Floppy Disk Controller for the 32-bit systems.
• 82091AA EISA/ISA – Advanced Integrated Peripheral, includes: floppy disk controller, 2× UARTs, parallel port, IDE controller, oscillator, etc.
• 82310 MCA family chipset – announced in April 1988. This chipset also supports the 80386SX based machines as well. Which it does includes:
• * 82306 Local Channel Support Chip
• * 82307 DMA Controller/Central Arbiter
• * 82308 Micro Channel Bus Controller
• * 82309 Address Bus Controller
• * 82706 VGA Graphics Controller
• 82311 MCA – announced in November 1988. Includes: 82303 and 82304 Local I/O Channel Support Chips, 82307 DMA Controller/Central Arbiter, 82308 Micro Channel Bus Controller, 82309 Address Bus Controller, 82706 VGA Graphics Controller, 82077 Floppy Disk Controller.
• 82320 MCA – announced in April 1989. This chipset supports the i486 microprocessor. It was expected to be available in the later half of 1989.
• 82340SX PC AT – announced in January 1990, it is the Topcat chipset licensed from VLSI.
• 82340DX PC AT – announced in January 1990, it is the Topcat chipset licensed from VLSI.
• 82350 EISA – announced in September 1988. This chipset supports the i486 microprocessor. It was expected to be available in the later half of 1989.
• 82350DT EISA – announced in April 1991. This version supports Intel486 DX2 CPU.
• 82360SL – announced in October 1990. It was a chipset for the mobile 80386SL and 80486SL processors. It integrated DMA controller, an interrupt controller PIC, serial and parallel ports, I/O Control, NMI, Real Time Clock, Timers and power-management logic for the processor. This chipset contains 226,000 transistors using the one-micron CHMOS IV technology. It was available for US$45 in quantities of 1,000.
• 82365SL – PC Card Interface Controller. This support PCMCIA 2.0 standard using the Exchangeable Card Architecture which supports both I/O and memory ExCA-compliant cards. It uses the Intel386SL power-management features. This was available for US$35 in samples of quantities of 1,000-unit.
• 82380 – High Performance 32-Bit DMA Controller with Integrated System Support Peripherals. This chipset has 20-level programmable interrupt controller a superset of Intel's 82C59 PIC. It also has four 16-bit programmable internal timers which its superset Intel's 82C54 PIT. It also has built-in DRAM refresh controller as well. It is available for US$149 and US$299 for 16 MHz and 20 MHz respectively in quantities of 100. The Intel M82380 met under MIL-STD-883 Rev. C standard. This military device was tested which includes temperature cycling between -55 and 125 °C, hermeticity and extended burn-in. This military version can have transfer rate of 32 Mbytes per seconds at 16 MHz. This military version were available in 132-lead CPGA and 164-lead CQPK. This military version were available for US$520 100-unit of quantities for the PGA version.
• 82384 – Clock Generator. The available version for US$15 in quantities of 100.
• 82385 – High Performance 32-Bit Cache Controller. This chipset was introduced in February 1987. It was available for 20 MHz version. There is 33 MHz version available for the 386DX processor. Paired with 33 MHz 386 CPU and 64-Kbyte memory subsystem, it performed up to 7.8 MIPS. There is 82385SX version for the 386SX microprocessor.
• 82395DX – High Performance Smart Cache. This chipset contains internal 16-Kbye of SRAM and 1,000 cache tags. This controller supports up to 128-Kbytes of cache memory subsystem which it features four-way set associativity; a 16-byte line size; a four, double-word write buffer; and concurrent line-buffer caching. This also support write-buffer memory update protocol and maintains cache coherency during bus snooping. Paired with 33 MHz 386 CPU and the controller can perform up to 8.3 Instructions per second#Millions of [instructions per second (MIPS)|MIPS]. This was available in 196-pin PQFP for US$90 and $109 for 25- and 33-MHZ version in quantities of 1000 respectively. There is Intel 82395SX version which it contains 8-Kbyte of cache memory for the 80386SX microprocessor family which it performs as much as 7% better than the 82385SX version. It was available for US$44 in quantities of 1000 units housed by 132-pin PQFP. The Intel 82396SX version contains 16-Kbyte of cache memory which were available in second quarter of 1991.

4xx chipsets

80486 chipsets

Other 80486 chipsets

• 82495DX – Cache Controller. This support zero-wait-state with two-way set associative cache with several configurable parameters. This support MESI protocol and bus snooping. It is available for US$198.
• 82490DX – 32-Kbyte Dual Port Intelligent Cache SRAM. Providing second level write-back cache with dual-ported buffers and registers. It is available for US$41.

Pentium chipsets

Southbridge 4xx chipsets

8xx chipsets

Pentium 4 chipsets

• 845
• * two distinct versions 845 MCH for SDR and 845 MCH for DDR
• 875P
• * Similar to E7205, but adds support for 800 MHz bus, DDR at 400 MHz, Communication Streaming Architecture, Serial ATA and Performance Acceleration Technology, a mode purported to cut down memory latency.
• *SMP capability exists only on Xeon-based motherboards using the 875P chipset. FSB is rated at on these motherboards.
• 865PE
• * 875P without PAT, though it was possible to enable PAT in some early revisions. Also lacks ECC Memory support.
• * Sub-versions:
• ** 865P – Similar to 865PE, but supports only 400/533 MHz bus and 333 MHz memory.
• ** 848P – Single memory channel version of 865PE.
• 865G
• * 865PE with integrated graphics. PAT never supported in any revisions.
• * Sub-versions:
• ** 865GV – 865G without external AGP slot.
• E7221
• * Designed for Pentium 4-based server.
• * Supports only one physical processor.
• * A basic SVGA controller is integrated for analog video.
• * One PCI-X slot can be bridged to the PCI-e ×8 using the Intel 6702PXH 64-bit PCI Hub.
• E7230
• * Similar to the Intel 3000 MCH, but mainly designed for Pentium D-based server.
• * Supports only one physical processor.
• * DDR2-667 4-4-4 is not supported.
• * No integrated graphics.
• * One PCI-X slot can be bridged to the PCI-e ×8 using Intel 6700PXH 64-bit PCI Hub/Intel 6702PXH 64-bit PCI Hub.

Southbridge 8xx chipsets

9xx chipsets and 3/4 Series chipsets

Pentium 4/Pentium D/Pentium XE chipsets

• Do not support SMP
• Support variants for South Bridges
• Products with PCI Express are Revision 1.0a

• 915P
• * Supports Pentium 4 on an 800 MT/s bus. Uses DDR memory up to 400 MHz, or DDR2 at 533 MHz. Replaces AGP and CSA with PCI Express, and also supports "Matrix RAID", a RAID mode designed to allow the usage of RAID levels 0 and 1 simultaneously with two hard drives.
• * Sub-versions:
• ** 915PL – Cut-down version of 915P with no support for DDR2 and only supporting 2 GB of memory.
• 915G
• * 915P with an integrated GMA 900. This core contains Pixel Shader version 2.0 only, it does not contain Vertex Shaders nor does it feature Transform & Lighting capabilities and therefore is not Direct X 8.1 or 9.0 compliant.
• * Sub-versions:
• ** 915GL – Same feature reductions as 915PL, but supports 4 GB of memory. No support for external graphics cards.
• ** 915GV – Same as 915G, but has no way of adding an external graphics card.
• ** 910GL – No support for external graphics cards or 800 MT/s bus.
• 925X
• * Higher end version of 915. Supports another PAT-like mode and ECC memory, and exclusively uses DDR-II RAM.
• * Sub-versions:
• ** 925XE – Supports a 1066 MT/s bus.
• 945P
• * Update on 915P, with support for Serial ATA II, RAID mode 5, an improved memory controller with support for DDR-II at 667 MHz and additional PCI Express lanes. Support for DDR-I is dropped. Formal dual-core support was added to this chipset.
• * Sub-versions:
• ** 945PL – No support for 1066 MT/s bus, only supports 2 GB of memory.
• 945G
• * A version of the 945P that has a GMA 950 integrated, supports a 1066 MT/s bus.
• * Sub-versions:
• **945GC – Same feature reductions as 945PL but with an integrated GMA 950.
• **945GZ – Same as 945GC but only supports DDR2 memory at 400/533 MT/s. No support for external graphics cards.
• 955X
• * Update for 925X, with additional features of "Lakeport", and uses DDR2.

Pentium M/Celeron M mobile chipsets

• Products with PCI Express are Revision 1.0a

Core/Core 2 mobile chipsets

• Products with PCI Express are Revision 1.1

Core 2 chipsets

• Lakeport supports PCI Express 1.0a
• Broadwater and Glenwood supports PCI Express 1.1

• 946PL
• * Update on 945PL, supports 4 GB of memory.
• 946GZ
• *A version of 946PL with GMA 3000 graphics core.
• P965
• * Update on 945P, no native PATA support, improved memory controller with support for DDR2 memory up to 800 MHz and official Core 2 Duo support.
• G965
• * A version of P965 that has a GMA X3000 integrated graphics core.
• Q965
• * Expected G965 intended for Intel's vPro office computing brand, with GMA 3000 graphics instead of GMA X3000 graphics. Supports an ADD2 card to add a second display.
• * Sub-versions:
• ** Q963 – Q965 without an external graphics interface or support for ADD2.
• 975X
• * Update of 955, with support for ATI Crossfire Dual Graphics systems and 65 nm processors, including Core 2 Duo.
• P35
• * The P35 chipset provides updated support for the new Core 2 Duo E6550, E6750, E6800, and E6850. Processors with a number ending in "50" have a 1333 MT/s FSB. Support for all NetBurst based processors is dropped with this chipset.
• G33
• * A version of P35 with a GMA 3100 integrated graphics core and uses an ICH9 South Bridge.
• * Sub-versions:
• ** G35 – G33 with a GMA x3500 integrated graphics core and uses an ICH8 South Bridge, no DDR3 support.
• Q35
• * Expected G33 intended for Intel's vPro office computing brand, no DDR3 Support.
• * Sub-versions:
• ** Q33 – Q35 without vPro support.
• P31
• * A version of P35 with an ICH7 South Bridge, supports only 4 GB of DDR2 memory and does not support DDR3 memory.
• * Operational configuration is 4 ranks – 2× 2 GB dual rank modules or 4 × 1 GB single rank modules – depends on number of motherboard DDR2 slots. 4GBs modules are not supported.
• G31
• * A version of P31 with a GMA 3100 integrated graphics core. It supports a 1333 MT/s FSB with Core 2 Duo processors, but Core 2 Quad processors are only supported up to 1066 MT/s.
• G41
• * Update of G31 with a GMA X4500 integrated graphics core and DDR3 800/1066 support.
• P45
• * Update of P35, with PCIe 2.0 support, Hardware Virtualization, Extreme Memory Profile and support for ATI Crossfire.
• * Sub-versions:
• ** P43 – P45 without Crossfire support.
• G45
• * A version of P45 that has a GMA X4500HD integrated graphics core and lacks Crossfire support.
• * Sub-versions:
• ** G43 – Same feature reductions as P43, but with a GMA X4500 integrated graphics core.
• Q45
• * Expected G43 intended for Intel's vPro office computing brand. Also supports Hardware Virtualization Technology and Intel Trusted Platform Module 1.2 feature.
• * Sub-versions:
• ** Q43 – Q45 without vPro support. Also lacks Intel Trusted Platform Module 1.2 support.
• ** B43 – Q43 with an ICH10D South Bridge.

Core 2 mobile chipsets

• ¹ Unofficially this chipset support 5 GB.
• ² Officially only 4 GB is supported. Unofficially many laptops with this chipset support 8 GB.
• ³ Low power mode, HD playback mode and Full performance mode respectively.

5/6/7/8/9 Series chipsets

LGA 1156

LGA 1155

• ¹ For Sandy Bridge mainstream desktop and business platforms. Sandy Bridge CPUs provide 16 PCIe 2.0 lanes for direct GPU connectivity.
• ² For Ivy Bridge mainstream desktop platform. Ivy Bridge CPUs provide 16 PCIe 3.0 lanes for direct GPU connectivity and additional 4 PCIe 2.0 lanes.

LGA 1150

LGA 1366, LGA 2011, and LGA 2011-v3

• ¹ X58 South Bridge is ICH10/ICH10R.
• ² X58 TDP includes the X58 IOH TDP in addition to the ICH10/ICH10R TDP.
• ³ For Sandy Bridge enthusiast desktop platform. Sandy Bridge CPUs will provide up to 40 PCIe 3.0 lanes for direct GPU connectivity and additional 4 PCIe 2.0 lanes. NOTE : This reference number 4 is on X79, which is a Sandy bridge -E, not Sandy Bridge, and PCIe 3.0 only is enabled when an Ivy Bridge-E CPU or Xeon E-5 series is used.
• ⁴ For Haswell enthusiast desktop platform. Haswell CPUs will provide up to 40 PCIe 3.0 lanes for direct GPU connectivity and additional 4 PCIe 2.0 lanes.

LGA 2066

Dedicated mobile chipsets

On-package mobile chipsets

100/200/300 Series chipsets

• All support Intel VT-d and do not support PCI.

LGA 1151 rev 1

LGA 1151 rev 2

Xeon chipsets

400/500 Series chipsets

LGA 1200

• ^† Connection to the CPU will be reduced to DMI 3.0 ×4 if a Comet Lake CPU is installed. DMI 3.0 ×8 is only available with Rocket Lake CPUs.
• ^‡ Mainboards advertised as H410 and B460 with Rocket Lake support use other 400-series chipsets.

600/700 Series chipsets

Dedicated mobile chipsets

800 Series chipsets

Dedicated mobile chipsets