Intel Z270 chipset: supported CPUs, overclocking, PCIe and USB

The Intel Z270 is an Intel chipset for the LGA1151 socket (Intel 200 series, launched Q1'17). Per its specification it supports 6th Gen Core, 7th Gen Core; CPU overclocking — yes, memory overclocking — yes; graphics card: —.

18 desktop CPUs from the FPSHQ catalogue are compatible with it (0 of them need a BIOS update); the fastest in games is the Core i7-7700K. Other chipsets of this platform: Intel H270, Intel B250, Intel Z170, Intel H170, Intel B150, Intel H110.

AMD and Intel specifications · checked · sources

Key figures

18
Compatible CPUs in the catalogue
no BIOS update
yes
CPU overclocking
Memory overclocking: yes
—
PCIe for graphics card
0
USB 10 Gbps
plus up to 0 × 20 Gbps

Intel Z270 among LGA1151 chipsets

Official specifications of LGA1151 (6th–7th Gen) platform chipsets; switch the parameter.

Intel Z270 specifications

SocketLGA1151 (6th–7th Gen)
SeriesIntel 200
LaunchQ1'17
Processors6th Gen Core, 7th Gen Core
MemoryDDR4 · DIMMs per channel: 2 (up to 4 slots)
CPU overclockingyes
Memory overclockingyes
BCLK overclockingyes
PCIe from the chipsetPCIe 3.0 × 24
USB 20 Gbps0
USB 10 Gbps0
USB 3.x ports10
Total USB ports14
SATA 6 Gbps ports6

These are the chipset’s capabilities per its specification; a specific board may have fewer ports and slots — check its specifications. Source: intel.com (ark)

CPUs for Intel Z270 boards

ProcessorGaming ScoreBIOSUnlocked
Core i7-7700K3590no BIOS updateyes
Core i7-6700K3340no BIOS updateyes
Core i7-77003340no BIOS updateno
Core i7-67003150no BIOS updateno
Core i5-7600K3080no BIOS updateyes
Core i5-76002970no BIOS updateno
Core i5-6600K2900no BIOS updateyes
Core i5-66002850no BIOS updateno
Core i5-75002850no BIOS updateno
Core i5-65002720no BIOS updateno
Core i5-74002700no BIOS updateno
Core i5-64002550no BIOS updateno
Core i3-71002250no BIOS updateno
Core i3-61002100no BIOS updateno
Pentium G45602040no BIOS updateno
Core i3-7100T1840no BIOS updateno
Core i3-7100TE1800no BIOS updateno
Pentium G44001580no BIOS updateno
In short

Which CPUs does the Intel Z270 support and is a board with it worth buying?

The Intel Z270 is an Intel chipset for the LGA1151 socket (Intel 200, launched Q1'17). Per its official specification (checked Oct 8, 2026) it supports 6th Gen Core, 7th Gen Core; CPU overclocking — yes, memory overclocking — yes; PCIe for the graphics card — —. 18 desktop CPUs in the FPSHQ catalogue are compatible with it, 0 of them need a BIOS update; the fastest in games is the Core i7-7700K. A Intel Z270 board is a good fit if your CPU is in this list and its overclocking, USB and PCIe capabilities are enough for you; otherwise compare it with other chipsets of the platform: Intel H270, Intel B250, Intel Z170, Intel H170, Intel B150, Intel H110. A specific board may have fewer ports than the chipset specification — check its specifications.

updated · source: Intel ark: desktop chipsets

Frequently asked questions

Which CPUs does the Intel Z270 support?
Per the Intel specification: 6th Gen Core, 7th Gen Core. 18 desktop CPUs in the FPSHQ catalogue are compatible with it, 0 of them only after a board BIOS update.
Can I overclock the CPU on a Intel Z270 board?
Yes: per the Intel specification the Intel Z270 supports CPU overclocking; memory overclocking — yes. Only CPUs with an unlocked multiplier can be overclocked (Intel K models, AMD Ryzen).
Which PCIe version does the graphics card get on a Intel Z270 board?
Per the specification: —. The final slot version also depends on the CPU and the specific board — check its specifications.
Which memory do Intel Z270 boards support?
Intel Z270 boards use DDR4. DDR4 and DDR5 are not interchangeable: if “DDR4/DDR5” is shown, the memory type depends on the specific board model.
Do I need a BIOS update for a new CPU on a Intel Z270 board?
For CPUs marked “BIOS update needed” (0 in the FPSHQ catalogue), the board must get firmware that supports them. Boards released after the CPU usually already have it; if in doubt, check the supported CPU list on the board maker’s website.

Methodology and sources

Chipset specifications come from Intel ark (each chipset’s page) and AMD AM4/AM5 chipset pages, checked Oct 8, 2026. Compatibility: socket (for LGA1151 — generation) and the CPU family in the chipset’s support list; “BIOS” — per the chipset maker, firmware with support is required. The FPSHQ tip is a rule, not data: without overclocking — the newest mid-range chipset without a mandatory BIOS update; for overclocking — the newest one with CPU overclocking. Fields missing from the official source are shown as “—”. More about the methodology →

Sources:
FPSHQ Team · Data updated
FPSHQ app: measure FPS on your PCFree for Windows. Auto hardware detection, FPS charts, comparison with the database.