LGA 1150

LGA 1150
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Name	LGA 1150
Introduced	2013
Form factor	Land Grid Array
Contacts	1150
Predecessor	LGA 1155
Successor	LGA 1151
Designed by	Intel

LGA 1150 is a microprocessor socket introduced by Intel Corporation in 2013 for desktop central processing units. It served as the primary socket for Intel's fourth-generation Intel Core "Haswell" and fifth-generation Intel Core "Broadwell" desktop processors and was deployed across consumer, workstation, and entry server platforms. The socket played a central role in product lines sold by OEMs such as Dell, HP Inc., Lenovo, and system integrators like ASUS, Gigabyte Technology, and MSI.

Overview and History

LGA 1150 was launched alongside Intel's Haswell microarchitecture and coordinated with roadmaps publicized by Paul Otellini-era Intel Corporation management and architects from teams including the group led by Brian Krzanich. Market announcements coincided with product unveilings at events like Computex and press briefings covered by outlets including The Wall Street Journal, The Verge, and AnandTech. Its introduction followed the lifecycle of earlier sockets such as LGA 1155 used for Sandy Bridge and Ivy Bridge processors and preceded LGA 1151 used for Skylake and later families. Chipset families paired with the socket were developed in tandem by Intel's chipset groups and were adopted by motherboard makers during product cycles emphasized at trade shows like CES.

Technical Specifications

The socket uses a Land Grid Array with 1150 land contacts to interface with processor pads; its mechanical retention and electrical pinout were specified by Intel's platform engineering teams. LGA 1150 supports DDR3 memory controllers integrated on-die in Haswell and Broadwell CPUs and coordinates with chipset-managed I/O such as PCI Express lanes, SATA ports, and USB controllers. Thermal design power (TDP) envelopes for supported CPUs ranged from low-power mobile variants adapted to desktop packages up to higher TDP desktop processors with integrated heat spreaders, referenced in engineering notes and datasheets prepared by Intel. Signal integrity, lane allocation, and platform power distribution were topics discussed in technical analyses by reviewers at Tom's Hardware, AnandTech, and academic conferences where platform researchers from institutions like Massachusetts Institute of Technology and Georgia Institute of Technology presented related studies.

Supported Processors and Chipsets

The socket natively supports fourth-generation Intel Core i7, Intel Core i5, Intel Core i3 Haswell CPUs and most fifth-generation Intel Core Broadwell desktop SKUs; it also accommodated some Intel Pentium and Intel Celeron models. Compatible chipset families included Intel's 8-series chipsets (e.g., Intel Z87, Intel H87, Intel B85) and later 9-series revisions such as Intel Z97 that enabled Broadwell compatibility, with motherboard firmware and microcode updates coordinated by vendors such as ASUS, ASRock, EVGA Corporation, and Biostar. OEMs and enthusiasts referenced compatibility matrices maintained by Intel and community resources like Overclock.net and review sites including Guru3D when planning upgrades and custom builds.

Motherboard Features and Form Factors

Motherboards using the socket arrived in ATX, microATX, and Mini-ITX form factors from manufacturers including ASUS, MSI, Gigabyte Technology, ASRock, and EVGA Corporation. Feature sets ranged from enthusiast-level multi-GPU PCI Express configurations compatible with technologies promoted by NVIDIA and AMD (company) to workstation-oriented boards supporting enhanced networking from vendors such as Intel Corporation Ethernet divisions and storage expansions through controllers by Marvell Technology Group and ASMedia Technology. BIOS and UEFI firmware for these boards were developed by teams from companies like American Megatrends and Insyde Software, with platform management utilities provided by OEM software groups including Dell EMC and HP Inc..

Cooling, Power, and Installation Considerations

Thermal solutions for CPUs in this socket were provided by cooling specialists such as Noctua, Cooler Master, Corsair, and Be Quiet!; large air coolers and all-in-one liquid coolers from NZXT and Thermaltake were popular for higher-TDP variants. Motherboard power delivery (VRM) designs varied among manufacturers and were evaluated by reviewers at Linus Tech Tips and Gamers Nexus for overclocking stability and thermal performance. Installation procedures followed Intel's mechanical mounting specifications, with retention brackets and backplates shared across many aftermarket coolers from vendors including Arctic (company), and user guides from OEMs like Dell and Lenovo outlining torque and thermal interface material recommendations.

Market Reception and Legacy

At launch and through its market lifecycle, the socket supported platforms praised for IPC improvements in Haswell and power-efficiency tweaks in Broadwell, covered by publications such as PC Gamer, Wired, and CNET. Enthusiast communities on forums like Overclock.net and content creators at Linus Media Group documented modding, longevity, and upgrade paths. Although later platforms migrated to successors developed by Intel Corporation with features like DDR4 support and newer PCI Express versions showcased at Intel Developer Forum, systems based on this socket remained in use across corporate deployments at companies like Dell and HP Inc. and in legacy-focused projects within research groups at University of Cambridge and Stanford University. Category:Intel CPU sockets