AWS pipped AMD and Intel to the first CPU supporting PCIe 6.0, and you can
now finally rent it by the hour (but don't expect any miracles)

Date:
Wed, 24 Jun 2026 19:35:00 +0000

Description:
AWS has launched Graviton5 with PCIe 6.0 support, although supporting
hardware capable of exploiting it remains scarce.

FULL STORY ======================================================================Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter AWS becomes the first cloud provider offering rentable PCIe 6.0 processors Graviton5 combines 192 Arm cores with 96 PCIe lanes Memory bandwidth exceeds 800GB/s across AWS's latest server platform AWS has quietly achieved a milestone that neither AMD nor Intel reached first in commercially available cloud infrastructure by deploying a PCIe 6.0-capable processor.

The company's Graviton5 CPU is now generally available through Amazon EC2 M9g and M9gd instances, allowing customers to rent PCIe 6.0 hardware by the hour. While that development sounds significant on paper, practical benefits remain difficult to identify for most users at the current stage of deployment. Latest Videos From Watch full video here: PCIe 6.0 arrives in the cloud
before it reaches most hardware Graviton5 was developed by Annapurna Labs and adopts a chiplet design built on TSMC's 3nm manufacturing process technology.

The processor combines four compute dies containing 48 Arm v3 cores each, bringing the total core count to 192. You may like Teamgroup just launched a PCIe 6.0 SSD that reaches 28GB/s but you definitely won't be able to use it
on your desktop PC. Meta chooses AWS infrastructure over direct chip
purchases for AI scaling Senao puts an entire data center node inside a
single PCIe slot

AWS says each core carries 1MB of dedicated cache, while the platform integrates 12 DDR5 memory channels operating at speeds up to DDR5-8800.

According to company figures, the memory subsystem can deliver more than 800GB/s of aggregate bandwidth across demanding workloads. Are you a pro? Subscribe to our newsletter Sign up to the TechRadar Pro newsletter to get
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The processor also includes 96 PCIe 6.0 lanes, making it the first cloud CPU customers can actively access with PCIe 6.0 connectivity.

Communication between chiplets relies on a coherent interconnect capable of transferring data at 420GB/s while maintaining unified operation.

AWS claims Graviton5 can deliver performance improvements reaching 25% compared with earlier generations deployed across its infrastructure. What to read next Kioxia reveals its most powerful SSD yet AWS snaps up a host of Apple's most highly-desired M3 Ultra Macs Arm introduces its first in-house AGI CPU with backing from Meta and OpenAI

Additional figures suggest application workloads may run 35% faster, while database operations improve by 30% under suitable conditions.

Network bandwidth reportedly increases by as much as 15%, while storage bandwidth rises by approximately 20% across instance categories.

For larger deployments, AWS says network throughput can double compared with previous offerings available through its cloud platform. Why PCIe 6.0 may not matter much yet The challenge is that PCIe 6.0 alone does not automatically transform application performance unless the surrounding hardware can exploit the added bandwidth.

This limitation becomes clearer when examining storage devices capable of taking advantage of the newer interface standard today.

Micron's 9650 NVMe SSD is among the first PCIe 6.0 drives reaching
commercial availability, though its audience remains hyperscale operators.

The SSD can reportedly achieve sequential read speeds of 28GB/s, almost twice the throughput commonly associated with PCIe 5.0 storage.

Even so, these drives are largely intended for AI inference environments rather than conventional enterprise or cloud computing workloads.

The same pattern appears in Teamgroup's recently announced PCIe 6.0 SSD , which reaches 28GB/s yet remains far from mainstream deployment.

For many AWS customers, processor architecture, memory bandwidth, cache capacity, and software optimization will likely matter far more.

The M9gd instances also include local SSD storage reaching 11.4TB capacity
and delivering 30% higher IOPS than predecessors.

Although PCIe 6.0 gives AWS an early technological distinction, meaningful gains will depend heavily on broader ecosystem adoption.

At present, the achievement appears more important as an infrastructure milestone than as a feature that immediately changes everyday cloud
workloads.

Via The Guru of 3D / Wccftech Follow TechRadar on Google News and add us as a preferred source to get our expert news, reviews, and opinion in your feeds.



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