AMD Ryzen 7 PRO 9755 socket: AM5

The AMD Ryzen 7 PRO 9755 uses the AM5 socket. It is an 8-core Zen 5 desktop processor at 120 W for mainstream managed performance desktops, running on 800 series boards out of the box and on 600 series boards after a BIOS update.

Socket
AM5
Launched
June 30, 2026
Cores and threads
8 and 16
Default TDP
120 W
Segment
Desktop
Clocks
3.8 / 5.4 GHz

AMD Ryzen 7 PRO 9755 specifications

Cores8
Threads16
Core architectureZen 5, single CCD with 8 active cores
Clocks3.8 GHz base, up to 5.4 GHz boost
Cache32 MB L3 and 8 MB L2
Default TDP120 W
Manufacturing processTSMC 4 nm FinFET, 6 nm I/O die
Memory supportDDR5 up to 5600 MT/s, two channels, up to 256 GB
PCI ExpressPCIe 5.0, 28 lanes (24 usable)
Integrated graphicsAMD Radeon Graphics, 2 compute units (up to 2200 MHz)
MultiplierLocked
ECC memoryYes (requires board support)
PackageAM5 (LGA1718)
Maximum temperature95 C
Cooler in the boxNone

Motherboard and chipset compatibility

AMD Ryzen 7 PRO 9755 needs a motherboard with a AM5 socket. The table shows which chipset series accept it.

SeriesChipsetsSupport
800 seriesX870E, X870, B850, B840Works out of the box
600 seriesX670E, X670, B650E, B650, A620Needs a BIOS update
Needs a BIOS update on boards built before the Ryzen 9000 launch. Check the board maker's CPU support list.

Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for AM5.

Recommended GPU pairing

Recommended tierMid-range 1440p
Example GPUsGeForce RTX 5060 Ti, Radeon RX 9060 XT
Target resolution1440p high settings

Eight Zen 5 cores with PCIe 5.0 lanes and DDR5-5600 fit mid-range 1440p cards from 2026. The integrated Radeon Graphics cover office use, while a faster card still works and the balance shifts with game, settings and resolution.

This is a rough match for a new build at the stated resolution, not a limit. A faster card still works and helps at higher resolutions or in games that load the GPU more than the CPU. A slower card is fine for lighter games and office use. The exact balance shifts with the game, the settings and the resolution, so no percentage is given.

AM5 at a glance

TypeLGA, 1,718 contacts
Package size40 × 40 mm
IntroducedSeptember 2022
MemoryDDR5 only (AMD EXPO profiles for faster kits)
Cooler mounting holes54 × 90 mm

Read the full AM5 socket guide

What the Ryzen 7 PRO 9755 is

The AMD Ryzen 7 PRO 9755 is an 8-core, 16-thread desktop processor that AMD listed for June 30, 2026 in the Ryzen PRO 9000 series. It uses the Granite Ridge design with Zen 5 cores on AM5, with a base clock of 3.8 GHz and boost up to 5.4 GHz. The cache totals 32 MB of L3 beside 8 MB of L2, and AMD rates the default TDP at 120 W. The compute cores use TSMC 4 nm FinFET with a 6 nm I/O die.

Eight cores give business desktops headroom for multitasking, browser fleets, office suites, light creation and background security agents at the same time. The 120 W envelope allows higher sustained clocks than the 65 W Ryzen 7 PRO 9745 with the same core count, provided the tower has adequate cooling. For short single thread bursts the two behave closely, while longer all-core jobs separate them.

Basic display comes from AMD Radeon Graphics with 2 compute units up to 2200 MHz. The multiplier is locked, and AMD lists no support for EXPO, Precision Boost Overdrive or Curve Optimizer on this PRO model. ECC memory is supported when the board provides it, and the maximum operating temperature is 95 C.

Socket and motherboard compatibility

The 9755 fits the AM5 socket with 1,718 contacts. Boards with 800 series chipsets such as X870E, X870, B850 and B840 accept it out of the box. Boards with 600 series chipsets such as X670E, X670, B650E, B650 and A620 accept it after a BIOS update that adds Ryzen PRO 9000 support. The board maker CPU support list names the minimum version.

A 600 series board built before that support will not start with this chip until firmware is updated. Boards with BIOS Flashback can write firmware without a processor in place, while other boards need a supported older chip for the update step. IT buyers planning a refresh should confirm firmware before swapping fleets.

The related AMD Ryzen 5 9600X shares the same socket and DDR5 path and gives a 6-core consumer reference point with unlocked tuning. The PRO 9755 adds two cores plus Memory Guard, Secure Processor and DASH manageability for managed deployment. Mainstream B650 and B850 boards suit this 120 W model when airflow is sound.

Memory, PCIe and cooling

The memory controller supports DDR5 up to 5600 MT/s with two modules, and slower speeds with four modules, across two channels to 256 GB. AMD lists DDR5-5600 for 2x1R and 2x2R configurations and DDR5-3600 for 4x1R and 4x2R configurations. There is no DDR4 option on AM5. ECC UDIMM is supported when the board wires it.

The processor provides 28 PCIe 5.0 lanes with 24 usable for devices, typically a graphics slot and NVMe storage at Gen5 speed on boards wired for it. Office systems often use the integrated graphics and a single fast NVMe drive, leaving the graphics link free for a later discrete card. A mid-range 1440p card fits the 8-core throughput and the link.

A 120 W default TDP needs a competent tower air cooler or equivalent, since AMD includes no cooler with this tray model. The mounting pattern is the shared 54 by 90 mm of AM4 and AM5, so many existing coolers carry over with AM5 hardware. The CPU cooler compatibility by socket guide covers the patterns and the fixed AM5 backplate rule. Compact cases should be checked for cooler height and exhaust path before deployment.

Upgrade paths

On the same socket the 6-core Ryzen 5 PRO 9655 sits below for cost sensitive fleets, while the 9755 adds two cores for heavier multitasking on the same boards and DDR5. The Ryzen 7 PRO 9755X3D keeps the same 8 cores with 96 MB of L3 for cache bound engineering and creation work. All three share the AM5 cooler pattern.

The 12-core Ryzen 9 PRO 9955 and 16-core Ryzen 9 PRO 9965 add threads for build, render and analysis stations, with higher power and cooling needs. A move from the 9755 to those parts keeps memory and boards in place, subject to BIOS and power checks.

Coming from AM4, the move means a new board and DDR5 memory, since neither transfers. Some coolers transfer with AM5 hardware. AMD has stated AM5 support through 2029, so the platform keeps later CPU options open.

Frequently asked questions

What socket does the AMD Ryzen 7 PRO 9755 use?

It uses AM5, an LGA socket with 1,718 contacts. It needs an AM5 board with DDR5 memory.

Does the 9755 work on a B650 motherboard?

Yes, after a BIOS update that adds Ryzen PRO 9000 support. 800 series boards accept it out of the box.

What is the difference between the PRO 9755 and the PRO 9745?

Both have 8 cores and 16 threads with 32 MB of L3. The 9745 holds a 65 W envelope with a Wraith Stealth cooler, while the 9755 allows 120 W with no cooler included for stronger sustained performance.

Does the 9755 support ECC memory?

Yes, when the board provides ECC support. AMD lists ECC as Yes with board support required.

Is the 9755 unlocked for overclocking?

No. AMD lists overclocking as not supported on this PRO model. It runs with Precision Boost 2 within its ratings.

Sources and verification

  1. AMD Ryzen 7 PRO 9755 (AMD)
  2. AMD Expands Ryzen PRO 9000 Series Processor Lineup (TechPowerUp)
  3. AMD expands its Ryzen 9000 PRO lineup with six new SKUs (Tom's Hardware)

Facts last checked against these sources on . Page last edited on .