diff --git a/easybuild/easyconfigs/h/HDF5/HDF5-1.14.5-NVHPC-24.9-CUDA-12.6.0-serial.eb b/easybuild/easyconfigs/h/HDF5/HDF5-1.14.5-NVHPC-24.9-CUDA-12.6.0-serial.eb
new file mode 100644
index 00000000000..89ca88e1406
--- /dev/null
+++ b/easybuild/easyconfigs/h/HDF5/HDF5-1.14.5-NVHPC-24.9-CUDA-12.6.0-serial.eb
@@ -0,0 +1,23 @@
+name = 'HDF5'
+# Note: Odd minor releases are only RCs and should not be used.
+version = '1.14.5'
+versionsuffix = "-serial"
+
+homepage = 'https://portal.hdfgroup.org/display/support'
+description = """HDF5 is a data model, library, and file format for storing and managing data.
+ It supports an unlimited variety of datatypes, and is designed for flexible
+ and efficient I/O and for high volume and complex data."""
+
+toolchain = {'name': 'NVHPC', 'version': '24.9-CUDA-12.6.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://github.com/HDFGroup/hdf5/archive']
+sources = ['hdf5_%(version)s.tar.gz']
+checksums = ['c83996dc79080a34e7b5244a1d5ea076abfd642ec12d7c25388e2fdd81d26350']
+
+dependencies = [
+    ('zlib', '1.3.1'),
+    ('Szip', '2.1.1'),
+]
+
+moduleclass = 'data'
diff --git a/easybuild/easyconfigs/s/Szip/Szip-2.1.1-GCCcore-13.3.0.eb b/easybuild/easyconfigs/s/Szip/Szip-2.1.1-GCCcore-13.3.0.eb
new file mode 100644
index 00000000000..6ac6fb2e784
--- /dev/null
+++ b/easybuild/easyconfigs/s/Szip/Szip-2.1.1-GCCcore-13.3.0.eb
@@ -0,0 +1,29 @@
+easyblock = 'ConfigureMake'
+
+name = 'Szip'
+version = '2.1.1'
+
+homepage = 'https://docs.hdfgroup.org/archive/support/doc_resource/SZIP/index.html'
+
+description = """
+ Szip compression software, providing lossless compression of scientific data
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://support.hdfgroup.org/ftp/lib-external/szip/%(version)s/src']
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['21ee958b4f2d4be2c9cabfa5e1a94877043609ce86fde5f286f105f7ff84d412']
+
+builddependencies = [
+    ('binutils', '2.42'),
+]
+
+sanity_check_paths = {
+    'files': ["lib/libsz.a", "lib/libsz.%s" % SHLIB_EXT] +
+             ["include/%s" % x for x in ["ricehdf.h", "szip_adpt.h", "szlib.h"]],
+    'dirs': [],
+}
+
+moduleclass = 'tools'