Posts tagged: IT Infrastructure
-
DGX Spark 64GB: Specs, Price, and the Cable to Pair Two
DGX Spark 64GB specs next to the 128 GB model, which buyers the smaller memory suits, and the exact cable that pairs two units into one 128 GB cluster.
-
NJAAKK-N911 vs NJAAKK0006 vs NJAAKR-0006: DGX Spark Cable
Amphenol NJAAKK-N911, NJAAKK0006 and Luxshare LMTQF022-SD-R decoded for DGX Spark, and how our in-stock 0.5 m NJAAKR-0006 fits. $159, free US shipping.
-
DGX Spark vs Strix Halo vs Gorgon Halo: Local LLM Benchmarks
DGX Spark vs Strix Halo vs Gorgon Halo, tested with the same llama.cpp build: token speed, prompt processing, bandwidth, clustering, price and which to buy.
-
DGX Spark Shutdown Under Load: Our 8-Unit GB10 Diagnosis
Why our DGX Spark and GB10 units powered off at the start of long prompts, the nvidia-smi clock lock that stopped it, and a reboot fix for memory bandwidth.
-
DGX Spark Firmware Update: What We Learned on 8 GB10 Units
Our DGX Spark firmware update on 8 GB10 units: mixed firmware, a unit that shut itself off, an 11% burn drop, and faster LLM serving.
-
What Cable Do I Need to Connect Two DGX Sparks?
One 0.5 m QSFP112 passive DAC connects two DGX Sparks, Port 0 to Port 0. Which cable and why, which GB10 boxes take it, and the bring-up checks that prove 200G.
-
DGX Spark Cluster: 4 to 8 Nodes, Switch vs Ring
Four DGX Sparks can now run as a switchless ring or on a switch. NVIDIA's new 8-node support, our eight-GB10 build, parts list, NCCL settings and results.
-
3 DGX Spark Ring: Port-by-Port Wiring Guide
Wire three DGX Sparks in a switchless ring: which QSFP port goes where, why Port 0 to Port 0 breaks NVIDIA's netplan, and the checks that prove 200G.
-
From Two DGX Sparks to a Switched Fabric: Cluster Topology
How to go from two DGX Sparks to a switched four-node GB10 cluster: the CRS812 breakout trap, 196 Gb/s RoCE measured, four-node vLLM results, and a free guide.
-
tmux vs cmux vs herdr: 2026 Terminal Multiplexer Comparison
tmux vs cmux vs herdr for AI coding agent workflows: persistence, SSH, agent state, automation APIs, telemetry and security posture compared.
-
Omarchy Quattro vs NixOS: 2026 Developer Comparison
Omarchy 4.0 Quattro vs NixOS 26.05 for developers: install, declarative config, rollback, NVIDIA, AI coding agents and security posture compared.
-
Mac Studio M5 Ultra vs DGX Spark: 1.2 TB/s vs 273 GB/s
The M5 Ultra brings 1.2 TB/s of bandwidth against the DGX Spark 273 GB/s, but CUDA decides most buys. Compare both for local LLM work and get the FIPS facts.
