Keumars Afifi-Sabet

Keumars Afifi-Sabet

Freelance Contributor

Keumars Afifi-Sabet is a freelance contributor for Tech Radar and Technology Editor for Live Science. He has written for a variety of publications including ITPro, The Week Digital and ComputerActive. He has worked as a technology journalist for more than five years, having previously held the role of features editor with ITPro. In his previous role, he oversaw the commissioning and publishing of long form in areas including AI, cyber security, cloud computing and digital transformation.

An NCTJ-qualified journalist who specialises in technology, his path into journalism began at university. He immersed himself in student media while studying for a degree in biomedical sciences at Queen Mary, University of London. After graduating, Keumars wrote for a variety of local and national publications as a freelancer, including The Independent, The Observer, and Metro. While studying for his NCTJ certification, his work was commended in the category of ‘Top Scoop’ in the 2017 NCTJ awards. He’s also registered as a foundational chartered manager with the Chartered Management Institute (CMI), having qualified as a Level 3 Team leader with distinction in 2023.

Articles by: Keumars Afifi-Sabet

Racks of servers inside a data center.
Google is rapidly turning into a formidable opponent to BFF Nvidia — the TPU v5p AI chip powering its hypercomputer is faster and has more memory and bandwidth than ever before, beating even the mighty H100

By Keumars Afifi-Sabet Published

Google's latest AI chip is up to 2.8 times faster at training LLMs than its predecessor, and is fitted into the AI Hypercomputing architecture

AMD AM5 Ryzen 7000
Startup wants to rival Nvidia and end GPU shortage by going back to basics — betting on CPUs may not seem a great idea but just hear these guys out

By Desire Athow Published

With GPUs in really high demand, there might be a way to configure CPUs to be a reliable stopgap solution to getting your AI dream off the ground

A person working on a laptop outside.
SO-DIMM laptop memory sticks to disappear as CAMM poised to take over — new RAM format comes to market, but may be a mere stopgap before tech industry moves to on-chip system memory à la Apple

By Keumars Afifi-Sabet Published

Your next laptop is about to get a massive speed boost, thanks to CAMM.

a nvidia gpu chip
Nvidia produces a mysterious new powerful professional graphics card for the Chinese market only — something tells me there may be more coming

By Keumars Afifi-Sabet Published

The Nvidia RTX 5880 is powered by the same GPU that's fitted into the banned RTX 6000 Ada series – but selling it in China won't be a problem.

Seagate
Someone reviewed a stealth HDD that's not supposed to exist – meet Seagate's very unique 25TB hard drive, so special it's not listed anywhere, and won't work with Windows or Mac

By Keumars Afifi-Sabet Published

The Exos X26z is the largest hard drive Seagate makes – but you currently can't buy it anywhere unless you're a very specific type of customer.

The Meta logo on a smartphone in front of the Facebook logo a little bit blurred in the background
Meta has done something that will get Nvidia and AMD very, very worried — it gave up on GPU and CPU to take a RISC-y route for AI training and inference acceleration

By Keumars Afifi-Sabet Published

The RISC-V ecosystem has a huge supporter in the form of Meta, which sees the ISA as a means to acheive its AI ambitions

Panmnesia's CXL 3.0 technology winning a coveted award
Obscure startup wins prestigious CES 2024 award — you've probably never heard of it, but Panmnesia is the company that could make ChatGPT 6 (or 7) times faster

By Keumars Afifi-Sabet Published

This AI accelerator could make large language models perform dozens of times faster than current-day hardware

AMD Instinct MI300A APU
AMD new Instinct MI300A is the most powerful APU ever with 24 Zen 4 cores and an ultra-powerful GPU that matches Nvidia's best — it is shipping today and could be the biggest threat yet to Nvidia H100's hegemony

By Keumars Afifi-Sabet Published

The AI arms race continues apace with AMD's first APU for data centers and HPC.

A wall of data on a large screen.
You will need an Nvidia GPU to achieve some of the fastest SSD speeds ever — here's how and why

By Keumars Afifi-Sabet Published

The configuration reached speeds of up to 260GB/s

The Ayar Labs optical light technology on show at SC23
Nvidia-backed startup uses Intel chip to replace electrical signals with light to reach Tbps speeds – here is what it looks like in the flesh

By Keumars Afifi-Sabet Published

The optical system could be foundational to technologies like 6G, company claims

Somebody holding a pane of glass on which you can store data
Microsoft inches closer to glass storage breakthrough that could finally make ransomware attacks impossible in the data center and hyperscalers — but only Azure customers will benefit from it

By Keumars Afifi-Sabet Published

The technology is strikingly similar to ceramics-based storage and may replace current day technology soon

An AMD Ryzen 7 5800X3D processor seated into a black motherboard
The fastest 'storage device' you can buy — enthusiast uses AMD Ryzen's 3D V-Cache to produce tiny, uber-fast pseudo SSD that could pave way to exciting prospects

By Keumars Afifi-Sabet Published

The best SSDs out there can't exceed 150GB/s yet – but the AMD CPU hit speeds up to 180GB/s

A slate from a line of storage media being removed
Video of ceramic storage system prototype surfaces online — 10,000TB cartridges bombarded with laser rays could become mainstream by 2030, making slow hard drives and tapes obsolete

By Keumars Afifi-Sabet Published

Ceramics-based storage medium consumes very little energy and lasts more than 5,000 years, creators say.

Image of a data center seen through glass with water dripping off it
'A mini data center village under the sea' — China sinks tens of thousands of powerful servers in fresh seawater as it grapples with demand for more power

By Keumars Afifi-Sabet Published

China's underwater data center facility could save 122 million kWh of electricity and 105,000 tons of water each year

Best External Hard Drives for Mac
Hard drive prices could go up significantly after the rumored 'collapse' of key player — paving the way for growing SSD domination in the storage market

By Keumars Afifi-Sabet Published

With hard drive shipments collapsing already, supply chain disruption could be a major setback for Seagate and Western Digital

AMD
AMD's 96-core behemoth just sent Intel's best processor into oblivion to claim 19 world speed records — and it's only just getting started

By Keumars Afifi-Sabet Published

Workstation speed demon could be set to dominate the charts for many, many months to come

WD Ultrastar DC HC680 28TB
Western Digital finally unveils 28TB HDD as race for 30TB reaches boiling point — but the Ultrastar DC HC680 remains a data center HDD that no consumers will be able to use

By Keumars Afifi-Sabet Published

Both companies are hoping to launch more-than-30TB hard drives next year… but who will strike first?

Orange servers and networks
China in a bull shop: One of the largest Chinese tech companies has announced a 'game-changing' 3,072-core RISC-V server that used an indigeneous CPU — on US soil

By Keumars Afifi-Sabet Published

China hits a key milestone with Alibaba demonstrating the first cloud server powered by a RISC-V chip.

Seagate Exos Corvault 4U106
Seagate has launched a massive 29TB hard disk drive that almost nobody noticed — but you can only buy the biggest ever HDD in a 2500TB storage device

By Keumars Afifi-Sabet Published

Seagate's Corvault HAMR drives won't be sold separately.

HPC
I think Microsoft Azure “Eagle” is probably the most important tech news of 2023 that you haven't heard of — here's why

By Keumars Afifi-Sabet Published

Microsoft's Eagle supercomputer is the most powerful cloud-facing system in the world.

Intel
Intel has a new rival to Nvidia's uber-popular H100 AI GPU — meet Gaudi3 with a whopping 128GB RAM

By Keumars Afifi-Sabet Published

The 5nm Gaudi3 has 1.5-times the bandwidth of the 96GB memory fitted into its 7nm predecessor.

AMD Ryzen Threadripper CPU
"It's unstoppable": First reviews of AMD's fastest ever processor reveal a frightening prospect — there's no way Intel will win the peformance crown for a few years

By Keumars Afifi-Sabet Published

AMD's Ryzen Threadripper Pro 7995WX trounces Intel's Xeon W9-3495X CPU in multi-threaded tests.

MSI S2302 server
No computer has ever supported this much system memory — MSI unveils Intel server that can take up to 18TB DDR5 (yes, that's terabyte)

By Keumars Afifi-Sabet Published

MSI S2302 2U server is powered by two 4th-Gen Intel Xeon Scalable CPUs.

The Aurora supercomputer
The GPT to rule them all: Training for one trillion parameter model backed by Intel and US government has just begun

By Keumars Afifi-Sabet Published

LLM playfully dubbed 'ScienceGPT' is being trained from data from the Aurora supercomputer.

Nvidia CEO Jensen Huang
Nvidia teases its most powerful GPU ever — no, it's not the newly-announced H200, but the 2024-bound B100 Blackwell AI powerhouse

By Keumars Afifi-Sabet Published

Next year's B100 graphics processor is likely to perform more than twice as well as the H200.

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