INDUSTRYInternet Optimization

CHALLENGES• Keeping Low Latency
Responses as business grows• Increasing software suiteofferings• Including more data todetermine optimal results

Supermicro H13 Hyper AS -2125HS-TNR

Introduction
Organizations worldwide increasingly depend on digital marketing and search optimization to findnew customers and improve their advertising focus. Higher rankings in popular search engines canmean significantly more traffic to a website, special shopping deals, and more visibility for productor service offerings. Determining the most effective search terms for websites, documents, andvideos requires significant computing power and memory capacity. The right choice of words andphrases for effective SEO can lead to better business outcomes.
Ahrefs is a focused SEO toolset provider that enables Fortune 100 companies and small businesses
worldwide to optimize their search visibility on Google. By constantly crawling the web, Ahrefs
stores billions of keywords, discovers millions of pages daily, and updates the information in
hundreds of millions of pages daily. Petabytes of data are stored on a custom-designed, state-ofthe-art backend using today's most powerful servers. Increasing the interactivity and response
times of a complex calculation is a goal of Ahrefs. Ahrefs offers a complete SEO suite by developing
tools like Keywords Explorer for keyword research, Content Explorer for analyzing content, Rank
Tracker for monitoring keyword rankings, or Site Audit for auditing and optimizing websites.

Challenges
Ahrefs services tens of thousands of customers that require a fast turnaround and insightful
knowledge of what keywords to use for SEO. With their business growing substantially as moreinformation becomes available online, Ahrefs needed to expand their backend data centercomputing and storage power. Using existing generations of servers and CPUs would not beenough to meet their ongoing requirements, which included an increasing number of sites to© 2023 Copyright Super Micro Computer, Inc. All rights reservedApril 2023

SOLUTION

index. And, with a growing customer base, Ahrefs needed powerful servers with significant
amounts of cores and memory to satisfy their customer requirements and meet stringent SLAs.

Supermicro H13 HyperSolution
AS -2125HS-TNR•Dual AMD EPYC™ 9004processors•

64C/128T at 3.1 GHz•

1.5 TB Memory perserver•120TB Storage perserver

After careful consideration and benchmarking, Ahrefs purchased over six hundred Supermicro
AMD based servers, the AS -2125HS-TNR system, configured with the newly announced AMD EPYC™
9004 series of processors. These systems each contain 1.5TB of DDR5 memory and over 120TB ofstorage space per server. The Supermicro Hyper system is a top-of-the-line rackmount system that
can accommodate CPUs with a TDP of up to 360W. Ahrefs chose the AMD EPYC™ 9554 processor
with 64 cores and 128 threads, running at a base clock speed of 3.1GHz and an all-core boost speedof 3.75GHz. In addition, each system contains 8 NVMe 15.3 TB SSD storage devices. Finally, eachsystem communicates to the data network with two 100Gbps ports.

Benefits
Ahrefs immediately saw the benefits of the new Supermicro AMD based servers. Even as thebusiness grew, the response times to customers looking for optimal SEO terms decreased due tothe new generation of Supermicro servers with AMD EPYC 9004 Series processors. As a result,Ahrefs can also offer more services to its customers, increasing revenue.
"Ahrefs continues to grow and requires state-of-the-art servers. Supermicro’s AMD based servers
were an ideal fit for our business. We were able to acquire the Supermicro Hyper servers with thelatest and high-performing AMD EPYC processors without delay. The servers are working
flawlessly, and it continues to be a pleasure to work with Supermicro." – Dmytro Gerasymenko,
founder and CEO, Ahrefs

SUPERMICROSupermicro is a global leader in high performance, green computing server technology and innovation.
We provide our global customers with application-optimized servers and workstations customized withblade, storage, and GPU solutions. Our products offer proven reliability, superior design, and one of
the industry’s broadest array of product configurations, to fit all computational need.
For more information, visit https://www.supermicro.com

AHREFS
Ahrefs is a Singapore-based SEO software company that helps optimize websites of any scale — fromgiants like Netflix, Facebook, Uber, and Forbes to small businesses looking to build their presence on
Google’s top page. According to The Straits Times, Ahrefs is one of Singapore’s fastest-growing
companies in 2023. TechRadar also named Ahrefs one of the top five best online marketing service in2023, along with Google Ads, Facebook, Hubspot, and Mailchimp. For more information, visit
www.ahrefs.com© 2023 Copyright Super Micro Computer, Inc. All rights reservedApril 2023